Home / 1,557,629.20-2,336,443.80-956,641.60

Finding the Fourth Proportional to 1,557,629.20, 2,336,443.80 and 956,641.60

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Solution

The fourth proportional to 1,557,629.20, 2,336,443.80 and 956,641.60 is: 1,434,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,629.20 : 2,336,443.80 = 956,641.60 : x
  2. Step 2: Convert to fraction form
    1,557,629.20/2,336,443.80 = 956,641.60/x
  3. Step 3: Cross multiply
    1,557,629.20x = 2,336,443.80 × 956,641.60
  4. Step 4: Simplify right side
    1,557,629.20x = 2,235,139,335,142.08
  5. Step 5: Solve for x
    x = 2,235,139,335,142.08/1,557,629.20
  6. Step 6: Final answer
    x = 1,434,962.40

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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.