Home / 1,007,807.53-1,390,774.17-555,098.53

Finding the Fourth Proportional to 1,007,807.53, 1,390,774.17 and 555,098.53

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Solution

The fourth proportional to 1,007,807.53, 1,390,774.17 and 555,098.53 is: 766,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,807.53 : 1,390,774.17 = 555,098.53 : x
  2. Step 2: Convert to fraction form
    1,007,807.53/1,390,774.17 = 555,098.53/x
  3. Step 3: Cross multiply
    1,007,807.53x = 1,390,774.17 × 555,098.53
  4. Step 4: Simplify right side
    1,007,807.53x = 772,016,697,328.97
  5. Step 5: Solve for x
    x = 772,016,697,328.97/1,007,807.53
  6. Step 6: Final answer
    x = 766,035.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.