Home / 1,026,479.43-1,539,620.10-316,316.79

Finding the Fourth Proportional to 1,026,479.43, 1,539,620.10 and 316,316.79

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Solution

The fourth proportional to 1,026,479.43, 1,539,620.10 and 316,316.79 is: 474,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,479.43 : 1,539,620.10 = 316,316.79 : x
  2. Step 2: Convert to fraction form
    1,026,479.43/1,539,620.10 = 316,316.79/x
  3. Step 3: Cross multiply
    1,026,479.43x = 1,539,620.10 × 316,316.79
  4. Step 4: Simplify right side
    1,026,479.43x = 487,007,687,851.48
  5. Step 5: Solve for x
    x = 487,007,687,851.48/1,026,479.43
  6. Step 6: Final answer
    x = 474,444.66

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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.