Home / 1,060,313.60-1,590,470.40-724,390.40

Finding the Fourth Proportional to 1,060,313.60, 1,590,470.40 and 724,390.40

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Solution

The fourth proportional to 1,060,313.60, 1,590,470.40 and 724,390.40 is: 1,086,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,313.60 : 1,590,470.40 = 724,390.40 : x
  2. Step 2: Convert to fraction form
    1,060,313.60/1,590,470.40 = 724,390.40/x
  3. Step 3: Cross multiply
    1,060,313.60x = 1,590,470.40 × 724,390.40
  4. Step 4: Simplify right side
    1,060,313.60x = 1,152,121,489,244.16
  5. Step 5: Solve for x
    x = 1,152,121,489,244.16/1,060,313.60
  6. Step 6: Final answer
    x = 1,086,585.60

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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.