Home / 1,039,418.79-1,559,275.98-319,820.16

Finding the Fourth Proportional to 1,039,418.79, 1,559,275.98 and 319,820.16

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Solution

The fourth proportional to 1,039,418.79, 1,559,275.98 and 319,820.16 is: 479,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,418.79 : 1,559,275.98 = 319,820.16 : x
  2. Step 2: Convert to fraction form
    1,039,418.79/1,559,275.98 = 319,820.16/x
  3. Step 3: Cross multiply
    1,039,418.79x = 1,559,275.98 × 319,820.16
  4. Step 4: Simplify right side
    1,039,418.79x = 498,687,893,407.76
  5. Step 5: Solve for x
    x = 498,687,893,407.76/1,039,418.79
  6. Step 6: Final answer
    x = 479,775.72

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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.