Home / 1,316,342.80-1,974,514.17-319,070.80

Finding the Fourth Proportional to 1,316,342.80, 1,974,514.17 and 319,070.80

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Solution

The fourth proportional to 1,316,342.80, 1,974,514.17 and 319,070.80 is: 478,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,342.80 : 1,974,514.17 = 319,070.80 : x
  2. Step 2: Convert to fraction form
    1,316,342.80/1,974,514.17 = 319,070.80/x
  3. Step 3: Cross multiply
    1,316,342.80x = 1,974,514.17 × 319,070.80
  4. Step 4: Simplify right side
    1,316,342.80x = 630,009,815,833.24
  5. Step 5: Solve for x
    x = 630,009,815,833.24/1,316,342.80
  6. Step 6: Final answer
    x = 478,606.19

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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.