Home / 1,008,417.68-1,391,609.76-555,709.04

Finding the Fourth Proportional to 1,008,417.68, 1,391,609.76 and 555,709.04

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Solution

The fourth proportional to 1,008,417.68, 1,391,609.76 and 555,709.04 is: 766,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,417.68 : 1,391,609.76 = 555,709.04 : x
  2. Step 2: Convert to fraction form
    1,008,417.68/1,391,609.76 = 555,709.04/x
  3. Step 3: Cross multiply
    1,008,417.68x = 1,391,609.76 × 555,709.04
  4. Step 4: Simplify right side
    1,008,417.68x = 773,330,123,784.23
  5. Step 5: Solve for x
    x = 773,330,123,784.23/1,008,417.68
  6. Step 6: Final answer
    x = 766,874.82

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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.