Home / 870,002.40-1,305,003.60-870,002.40

Finding the Fourth Proportional to 870,002.40, 1,305,003.60 and 870,002.40

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Solution

The fourth proportional to 870,002.40, 1,305,003.60 and 870,002.40 is: 1,305,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,002.40 : 1,305,003.60 = 870,002.40 : x
  2. Step 2: Convert to fraction form
    870,002.40/1,305,003.60 = 870,002.40/x
  3. Step 3: Cross multiply
    870,002.40x = 1,305,003.60 × 870,002.40
  4. Step 4: Simplify right side
    870,002.40x = 1,135,356,264,008.64
  5. Step 5: Solve for x
    x = 1,135,356,264,008.64/870,002.40
  6. Step 6: Final answer
    x = 1,305,003.60

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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.