Home / 1,559,356.80-2,151,889.12-871,038.24

Finding the Fourth Proportional to 1,559,356.80, 2,151,889.12 and 871,038.24

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Solution

The fourth proportional to 1,559,356.80, 2,151,889.12 and 871,038.24 is: 1,202,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,356.80 : 2,151,889.12 = 871,038.24 : x
  2. Step 2: Convert to fraction form
    1,559,356.80/2,151,889.12 = 871,038.24/x
  3. Step 3: Cross multiply
    1,559,356.80x = 2,151,889.12 × 871,038.24
  4. Step 4: Simplify right side
    1,559,356.80x = 1,874,377,711,759.95
  5. Step 5: Solve for x
    x = 1,874,377,711,759.95/1,559,356.80
  6. Step 6: Final answer
    x = 1,202,019.78

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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.