Home / 736,868.80-1,105,303.20-724,427.20

Finding the Fourth Proportional to 736,868.80, 1,105,303.20 and 724,427.20

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Solution

The fourth proportional to 736,868.80, 1,105,303.20 and 724,427.20 is: 1,086,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,868.80 : 1,105,303.20 = 724,427.20 : x
  2. Step 2: Convert to fraction form
    736,868.80/1,105,303.20 = 724,427.20/x
  3. Step 3: Cross multiply
    736,868.80x = 1,105,303.20 × 724,427.20
  4. Step 4: Simplify right side
    736,868.80x = 800,711,702,327.04
  5. Step 5: Solve for x
    x = 800,711,702,327.04/736,868.80
  6. Step 6: Final answer
    x = 1,086,640.80

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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.