Home / 1,011,603.52-1,518,154.25-479,126.12

Finding the Fourth Proportional to 1,011,603.52, 1,518,154.25 and 479,126.12

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Solution

The fourth proportional to 1,011,603.52, 1,518,154.25 and 479,126.12 is: 719,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,603.52 : 1,518,154.25 = 479,126.12 : x
  2. Step 2: Convert to fraction form
    1,011,603.52/1,518,154.25 = 479,126.12/x
  3. Step 3: Cross multiply
    1,011,603.52x = 1,518,154.25 × 479,126.12
  4. Step 4: Simplify right side
    1,011,603.52x = 727,387,353,917.23
  5. Step 5: Solve for x
    x = 727,387,353,917.23/1,011,603.52
  6. Step 6: Final answer
    x = 719,043.92

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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.