Home / 890,785.68-1,333,787.40-749,068.08

Finding the Fourth Proportional to 890,785.68, 1,333,787.40 and 749,068.08

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Solution

The fourth proportional to 890,785.68, 1,333,787.40 and 749,068.08 is: 1,121,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,785.68 : 1,333,787.40 = 749,068.08 : x
  2. Step 2: Convert to fraction form
    890,785.68/1,333,787.40 = 749,068.08/x
  3. Step 3: Cross multiply
    890,785.68x = 1,333,787.40 × 749,068.08
  4. Step 4: Simplify right side
    890,785.68x = 999,097,566,846.19
  5. Step 5: Solve for x
    x = 999,097,566,846.19/890,785.68
  6. Step 6: Final answer
    x = 1,121,591.41

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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.