Home / 1,316,376.38-1,974,564.56-319,104.38

Finding the Fourth Proportional to 1,316,376.38, 1,974,564.56 and 319,104.38

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Solution

The fourth proportional to 1,316,376.38, 1,974,564.56 and 319,104.38 is: 478,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,376.38 : 1,974,564.56 = 319,104.38 : x
  2. Step 2: Convert to fraction form
    1,316,376.38/1,974,564.56 = 319,104.38/x
  3. Step 3: Cross multiply
    1,316,376.38x = 1,974,564.56 × 319,104.38
  4. Step 4: Simplify right side
    1,316,376.38x = 630,092,190,613.71
  5. Step 5: Solve for x
    x = 630,092,190,613.71/1,316,376.38
  6. Step 6: Final answer
    x = 478,656.56

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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.