Home / 1,207,140.20-1,810,710.30-709,476.20

Finding the Fourth Proportional to 1,207,140.20, 1,810,710.30 and 709,476.20

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Solution

The fourth proportional to 1,207,140.20, 1,810,710.30 and 709,476.20 is: 1,064,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,140.20 : 1,810,710.30 = 709,476.20 : x
  2. Step 2: Convert to fraction form
    1,207,140.20/1,810,710.30 = 709,476.20/x
  3. Step 3: Cross multiply
    1,207,140.20x = 1,810,710.30 × 709,476.20
  4. Step 4: Simplify right side
    1,207,140.20x = 1,284,655,862,944.86
  5. Step 5: Solve for x
    x = 1,284,655,862,944.86/1,207,140.20
  6. Step 6: Final answer
    x = 1,064,214.30

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Similar ratio
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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.