Home / 1,320,549.75-1,822,358.67-716,937.75

Finding the Fourth Proportional to 1,320,549.75, 1,822,358.67 and 716,937.75

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Solution

The fourth proportional to 1,320,549.75, 1,822,358.67 and 716,937.75 is: 989,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,549.75 : 1,822,358.67 = 716,937.75 : x
  2. Step 2: Convert to fraction form
    1,320,549.75/1,822,358.67 = 716,937.75/x
  3. Step 3: Cross multiply
    1,320,549.75x = 1,822,358.67 × 716,937.75
  4. Step 4: Simplify right side
    1,320,549.75x = 1,306,517,724,562.79
  5. Step 5: Solve for x
    x = 1,306,517,724,562.79/1,320,549.75
  6. Step 6: Final answer
    x = 989,374.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.