Home / 1,437,145.80-2,154,734.55-679,350.30

Finding the Fourth Proportional to 1,437,145.80, 2,154,734.55 and 679,350.30

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Solution

The fourth proportional to 1,437,145.80, 2,154,734.55 and 679,350.30 is: 1,018,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,145.80 : 2,154,734.55 = 679,350.30 : x
  2. Step 2: Convert to fraction form
    1,437,145.80/2,154,734.55 = 679,350.30/x
  3. Step 3: Cross multiply
    1,437,145.80x = 2,154,734.55 × 679,350.30
  4. Step 4: Simplify right side
    1,437,145.80x = 1,463,819,562,962.87
  5. Step 5: Solve for x
    x = 1,463,819,562,962.87/1,437,145.80
  6. Step 6: Final answer
    x = 1,018,560.23

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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.