Home / 1,031,856.30-1,547,784.45-779,913.90

Finding the Fourth Proportional to 1,031,856.30, 1,547,784.45 and 779,913.90

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Solution

The fourth proportional to 1,031,856.30, 1,547,784.45 and 779,913.90 is: 1,169,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,856.30 : 1,547,784.45 = 779,913.90 : x
  2. Step 2: Convert to fraction form
    1,031,856.30/1,547,784.45 = 779,913.90/x
  3. Step 3: Cross multiply
    1,031,856.30x = 1,547,784.45 × 779,913.90
  4. Step 4: Simplify right side
    1,031,856.30x = 1,207,138,606,758.86
  5. Step 5: Solve for x
    x = 1,207,138,606,758.86/1,031,856.30
  6. Step 6: Final answer
    x = 1,169,870.85

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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.