Home / 1,458,001.40-2,187,002.10-393,151.10

Finding the Fourth Proportional to 1,458,001.40, 2,187,002.10 and 393,151.10

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Solution

The fourth proportional to 1,458,001.40, 2,187,002.10 and 393,151.10 is: 589,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,001.40 : 2,187,002.10 = 393,151.10 : x
  2. Step 2: Convert to fraction form
    1,458,001.40/2,187,002.10 = 393,151.10/x
  3. Step 3: Cross multiply
    1,458,001.40x = 2,187,002.10 × 393,151.10
  4. Step 4: Simplify right side
    1,458,001.40x = 859,822,281,317.31
  5. Step 5: Solve for x
    x = 859,822,281,317.31/1,458,001.40
  6. Step 6: Final answer
    x = 589,726.65

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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.