Home / 1,408,314.60-1,943,470.26-763,732.80

Finding the Fourth Proportional to 1,408,314.60, 1,943,470.26 and 763,732.80

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Solution

The fourth proportional to 1,408,314.60, 1,943,470.26 and 763,732.80 is: 1,053,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,314.60 : 1,943,470.26 = 763,732.80 : x
  2. Step 2: Convert to fraction form
    1,408,314.60/1,943,470.26 = 763,732.80/x
  3. Step 3: Cross multiply
    1,408,314.60x = 1,943,470.26 × 763,732.80
  4. Step 4: Simplify right side
    1,408,314.60x = 1,484,291,983,386.53
  5. Step 5: Solve for x
    x = 1,484,291,983,386.53/1,408,314.60
  6. Step 6: Final answer
    x = 1,053,949.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.