Home / 1,386,658.22-2,079,987.36-375,780.17

Finding the Fourth Proportional to 1,386,658.22, 2,079,987.36 and 375,780.17

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Solution

The fourth proportional to 1,386,658.22, 2,079,987.36 and 375,780.17 is: 563,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,658.22 : 2,079,987.36 = 375,780.17 : x
  2. Step 2: Convert to fraction form
    1,386,658.22/2,079,987.36 = 375,780.17/x
  3. Step 3: Cross multiply
    1,386,658.22x = 2,079,987.36 × 375,780.17
  4. Step 4: Simplify right side
    1,386,658.22x = 781,617,993,338.71
  5. Step 5: Solve for x
    x = 781,617,993,338.71/1,386,658.22
  6. Step 6: Final answer
    x = 563,670.26

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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.