Home / 1,353,875.20-2,030,812.80-512,454.40

Finding the Fourth Proportional to 1,353,875.20, 2,030,812.80 and 512,454.40

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Solution

The fourth proportional to 1,353,875.20, 2,030,812.80 and 512,454.40 is: 768,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,875.20 : 2,030,812.80 = 512,454.40 : x
  2. Step 2: Convert to fraction form
    1,353,875.20/2,030,812.80 = 512,454.40/x
  3. Step 3: Cross multiply
    1,353,875.20x = 2,030,812.80 × 512,454.40
  4. Step 4: Simplify right side
    1,353,875.20x = 1,040,698,954,936.32
  5. Step 5: Solve for x
    x = 1,040,698,954,936.32/1,353,875.20
  6. Step 6: Final answer
    x = 768,681.60

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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.