Home / 1,613,280.52-2,421,416.16-815,123.04

Finding the Fourth Proportional to 1,613,280.52, 2,421,416.16 and 815,123.04

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Solution

The fourth proportional to 1,613,280.52, 2,421,416.16 and 815,123.04 is: 1,223,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,280.52 : 2,421,416.16 = 815,123.04 : x
  2. Step 2: Convert to fraction form
    1,613,280.52/2,421,416.16 = 815,123.04/x
  3. Step 3: Cross multiply
    1,613,280.52x = 2,421,416.16 × 815,123.04
  4. Step 4: Simplify right side
    1,613,280.52x = 1,973,752,101,444.33
  5. Step 5: Solve for x
    x = 1,973,752,101,444.33/1,613,280.52
  6. Step 6: Final answer
    x = 1,223,440.11

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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.