Home / 1,381,353.80-2,072,030.70-435,014.60

Finding the Fourth Proportional to 1,381,353.80, 2,072,030.70 and 435,014.60

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Solution

The fourth proportional to 1,381,353.80, 2,072,030.70 and 435,014.60 is: 652,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,353.80 : 2,072,030.70 = 435,014.60 : x
  2. Step 2: Convert to fraction form
    1,381,353.80/2,072,030.70 = 435,014.60/x
  3. Step 3: Cross multiply
    1,381,353.80x = 2,072,030.70 × 435,014.60
  4. Step 4: Simplify right side
    1,381,353.80x = 901,363,606,148.22
  5. Step 5: Solve for x
    x = 901,363,606,148.22/1,381,353.80
  6. Step 6: Final answer
    x = 652,521.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.