Home / 1,216,502.76-1,678,701.60-672,595.86

Finding the Fourth Proportional to 1,216,502.76, 1,678,701.60 and 672,595.86

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Solution

The fourth proportional to 1,216,502.76, 1,678,701.60 and 672,595.86 is: 928,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,502.76 : 1,678,701.60 = 672,595.86 : x
  2. Step 2: Convert to fraction form
    1,216,502.76/1,678,701.60 = 672,595.86/x
  3. Step 3: Cross multiply
    1,216,502.76x = 1,678,701.60 × 672,595.86
  4. Step 4: Simplify right side
    1,216,502.76x = 1,129,087,746,335.38
  5. Step 5: Solve for x
    x = 1,129,087,746,335.38/1,216,502.76
  6. Step 6: Final answer
    x = 928,142.36

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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.