Home / 1,007,631.86-1,390,659.08-577,902.76

Finding the Fourth Proportional to 1,007,631.86, 1,390,659.08 and 577,902.76

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Solution

The fourth proportional to 1,007,631.86, 1,390,659.08 and 577,902.76 is: 797,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,631.86 : 1,390,659.08 = 577,902.76 : x
  2. Step 2: Convert to fraction form
    1,007,631.86/1,390,659.08 = 577,902.76/x
  3. Step 3: Cross multiply
    1,007,631.86x = 1,390,659.08 × 577,902.76
  4. Step 4: Simplify right side
    1,007,631.86x = 803,665,720,551.06
  5. Step 5: Solve for x
    x = 803,665,720,551.06/1,007,631.86
  6. Step 6: Final answer
    x = 797,578.71

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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.