Home / 1,230,188.70-1,845,283.05-724,230.30

Finding the Fourth Proportional to 1,230,188.70, 1,845,283.05 and 724,230.30

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Solution

The fourth proportional to 1,230,188.70, 1,845,283.05 and 724,230.30 is: 1,086,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,188.70 : 1,845,283.05 = 724,230.30 : x
  2. Step 2: Convert to fraction form
    1,230,188.70/1,845,283.05 = 724,230.30/x
  3. Step 3: Cross multiply
    1,230,188.70x = 1,845,283.05 × 724,230.30
  4. Step 4: Simplify right side
    1,230,188.70x = 1,336,409,896,886.42
  5. Step 5: Solve for x
    x = 1,336,409,896,886.42/1,230,188.70
  6. Step 6: Final answer
    x = 1,086,345.45

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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.