Home / 1,125,823.60-1,689,964.20-628,159.60

Finding the Fourth Proportional to 1,125,823.60, 1,689,964.20 and 628,159.60

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Solution

The fourth proportional to 1,125,823.60, 1,689,964.20 and 628,159.60 is: 942,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,823.60 : 1,689,964.20 = 628,159.60 : x
  2. Step 2: Convert to fraction form
    1,125,823.60/1,689,964.20 = 628,159.60/x
  3. Step 3: Cross multiply
    1,125,823.60x = 1,689,964.20 × 628,159.60
  4. Step 4: Simplify right side
    1,125,823.60x = 1,061,567,235,886.32
  5. Step 5: Solve for x
    x = 1,061,567,235,886.32/1,125,823.60
  6. Step 6: Final answer
    x = 942,925.02

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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.