Home / 1,035,438.39-1,553,263.64-396,279.68

Finding the Fourth Proportional to 1,035,438.39, 1,553,263.64 and 396,279.68

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Solution

The fourth proportional to 1,035,438.39, 1,553,263.64 and 396,279.68 is: 594,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,438.39 : 1,553,263.64 = 396,279.68 : x
  2. Step 2: Convert to fraction form
    1,035,438.39/1,553,263.64 = 396,279.68/x
  3. Step 3: Cross multiply
    1,035,438.39x = 1,553,263.64 × 396,279.68
  4. Step 4: Simplify right side
    1,035,438.39x = 615,526,808,467.12
  5. Step 5: Solve for x
    x = 615,526,808,467.12/1,035,438.39
  6. Step 6: Final answer
    x = 594,460.10

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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.