Home / 1,720,397.30-2,579,721.15-1,010,642.90

Finding the Fourth Proportional to 1,720,397.30, 2,579,721.15 and 1,010,642.90

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Solution

The fourth proportional to 1,720,397.30, 2,579,721.15 and 1,010,642.90 is: 1,515,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,397.30 : 2,579,721.15 = 1,010,642.90 : x
  2. Step 2: Convert to fraction form
    1,720,397.30/2,579,721.15 = 1,010,642.90/x
  3. Step 3: Cross multiply
    1,720,397.30x = 2,579,721.15 × 1,010,642.90
  4. Step 4: Simplify right side
    1,720,397.30x = 2,607,176,864,227.34
  5. Step 5: Solve for x
    x = 2,607,176,864,227.34/1,720,397.30
  6. Step 6: Final answer
    x = 1,515,450.45

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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.