Home / 1,584,279.60-2,377,585.80-638,329.20

Finding the Fourth Proportional to 1,584,279.60, 2,377,585.80 and 638,329.20

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Solution

The fourth proportional to 1,584,279.60, 2,377,585.80 and 638,329.20 is: 957,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,279.60 : 2,377,585.80 = 638,329.20 : x
  2. Step 2: Convert to fraction form
    1,584,279.60/2,377,585.80 = 638,329.20/x
  3. Step 3: Cross multiply
    1,584,279.60x = 2,377,585.80 × 638,329.20
  4. Step 4: Simplify right side
    1,584,279.60x = 1,517,682,441,645.36
  5. Step 5: Solve for x
    x = 1,517,682,441,645.36/1,584,279.60
  6. Step 6: Final answer
    x = 957,963.76

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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.