Home / 1,014,341.60-1,520,656.08-639,538.40

Finding the Fourth Proportional to 1,014,341.60, 1,520,656.08 and 639,538.40

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Solution

The fourth proportional to 1,014,341.60, 1,520,656.08 and 639,538.40 is: 958,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,341.60 : 1,520,656.08 = 639,538.40 : x
  2. Step 2: Convert to fraction form
    1,014,341.60/1,520,656.08 = 639,538.40/x
  3. Step 3: Cross multiply
    1,014,341.60x = 1,520,656.08 × 639,538.40
  4. Step 4: Simplify right side
    1,014,341.60x = 972,517,956,353.47
  5. Step 5: Solve for x
    x = 972,517,956,353.47/1,014,341.60
  6. Step 6: Final answer
    x = 958,767.69

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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.