Home / 1,053,788.86-1,454,263.86-645,811.87

Finding the Fourth Proportional to 1,053,788.86, 1,454,263.86 and 645,811.87

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Solution

The fourth proportional to 1,053,788.86, 1,454,263.86 and 645,811.87 is: 891,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,788.86 : 1,454,263.86 = 645,811.87 : x
  2. Step 2: Convert to fraction form
    1,053,788.86/1,454,263.86 = 645,811.87/x
  3. Step 3: Cross multiply
    1,053,788.86x = 1,454,263.86 × 645,811.87
  4. Step 4: Simplify right side
    1,053,788.86x = 939,180,860,780.21
  5. Step 5: Solve for x
    x = 939,180,860,780.21/1,053,788.86
  6. Step 6: Final answer
    x = 891,241.97

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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.