Home / 1,125,528.98-1,688,297.46-272,601.20

Finding the Fourth Proportional to 1,125,528.98, 1,688,297.46 and 272,601.20

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Solution

The fourth proportional to 1,125,528.98, 1,688,297.46 and 272,601.20 is: 408,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,528.98 : 1,688,297.46 = 272,601.20 : x
  2. Step 2: Convert to fraction form
    1,125,528.98/1,688,297.46 = 272,601.20/x
  3. Step 3: Cross multiply
    1,125,528.98x = 1,688,297.46 × 272,601.20
  4. Step 4: Simplify right side
    1,125,528.98x = 460,231,917,773.70
  5. Step 5: Solve for x
    x = 460,231,917,773.70/1,125,528.98
  6. Step 6: Final answer
    x = 408,902.77

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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.