Home / 1,379,303.84-2,068,955.76-432,750.24

Finding the Fourth Proportional to 1,379,303.84, 2,068,955.76 and 432,750.24

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Solution

The fourth proportional to 1,379,303.84, 2,068,955.76 and 432,750.24 is: 649,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,303.84 : 2,068,955.76 = 432,750.24 : x
  2. Step 2: Convert to fraction form
    1,379,303.84/2,068,955.76 = 432,750.24/x
  3. Step 3: Cross multiply
    1,379,303.84x = 2,068,955.76 × 432,750.24
  4. Step 4: Simplify right side
    1,379,303.84x = 895,341,101,689.38
  5. Step 5: Solve for x
    x = 895,341,101,689.38/1,379,303.84
  6. Step 6: Final answer
    x = 649,125.36

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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.