Home / 1,357,043.38-1,872,587.32-784,071.25

Finding the Fourth Proportional to 1,357,043.38, 1,872,587.32 and 784,071.25

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Solution

The fourth proportional to 1,357,043.38, 1,872,587.32 and 784,071.25 is: 1,081,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,043.38 : 1,872,587.32 = 784,071.25 : x
  2. Step 2: Convert to fraction form
    1,357,043.38/1,872,587.32 = 784,071.25/x
  3. Step 3: Cross multiply
    1,357,043.38x = 1,872,587.32 × 784,071.25
  4. Step 4: Simplify right side
    1,357,043.38x = 1,468,241,874,084.90
  5. Step 5: Solve for x
    x = 1,468,241,874,084.90/1,357,043.38
  6. Step 6: Final answer
    x = 1,081,941.74

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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.