Home / 1,402,171.75-2,103,044.39-391,187.26

Finding the Fourth Proportional to 1,402,171.75, 2,103,044.39 and 391,187.26

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Solution

The fourth proportional to 1,402,171.75, 2,103,044.39 and 391,187.26 is: 586,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,171.75 : 2,103,044.39 = 391,187.26 : x
  2. Step 2: Convert to fraction form
    1,402,171.75/2,103,044.39 = 391,187.26/x
  3. Step 3: Cross multiply
    1,402,171.75x = 2,103,044.39 × 391,187.26
  4. Step 4: Simplify right side
    1,402,171.75x = 822,684,172,582.47
  5. Step 5: Solve for x
    x = 822,684,172,582.47/1,402,171.75
  6. Step 6: Final answer
    x = 586,721.40

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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.