Home / 1,577,854.80-2,368,337.40-780,037.20

Finding the Fourth Proportional to 1,577,854.80, 2,368,337.40 and 780,037.20

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Solution

The fourth proportional to 1,577,854.80, 2,368,337.40 and 780,037.20 is: 1,170,824.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,854.80 : 2,368,337.40 = 780,037.20 : x
  2. Step 2: Convert to fraction form
    1,577,854.80/2,368,337.40 = 780,037.20/x
  3. Step 3: Cross multiply
    1,577,854.80x = 2,368,337.40 × 780,037.20
  4. Step 4: Simplify right side
    1,577,854.80x = 1,847,391,274,151.28
  5. Step 5: Solve for x
    x = 1,847,391,274,151.28/1,577,854.80
  6. Step 6: Final answer
    x = 1,170,824.64

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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.