Home / 1,125,848.60-1,690,001.70-628,184.60

Finding the Fourth Proportional to 1,125,848.60, 1,690,001.70 and 628,184.60

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Solution

The fourth proportional to 1,125,848.60, 1,690,001.70 and 628,184.60 is: 942,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,848.60 : 1,690,001.70 = 628,184.60 : x
  2. Step 2: Convert to fraction form
    1,125,848.60/1,690,001.70 = 628,184.60/x
  3. Step 3: Cross multiply
    1,125,848.60x = 1,690,001.70 × 628,184.60
  4. Step 4: Simplify right side
    1,125,848.60x = 1,061,633,041,913.82
  5. Step 5: Solve for x
    x = 1,061,633,041,913.82/1,125,848.60
  6. Step 6: Final answer
    x = 942,962.53

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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.