Home / 1,104,128.70-1,656,193.05-926,981.70

Finding the Fourth Proportional to 1,104,128.70, 1,656,193.05 and 926,981.70

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Solution

The fourth proportional to 1,104,128.70, 1,656,193.05 and 926,981.70 is: 1,390,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,128.70 : 1,656,193.05 = 926,981.70 : x
  2. Step 2: Convert to fraction form
    1,104,128.70/1,656,193.05 = 926,981.70/x
  3. Step 3: Cross multiply
    1,104,128.70x = 1,656,193.05 × 926,981.70
  4. Step 4: Simplify right side
    1,104,128.70x = 1,535,260,649,017.19
  5. Step 5: Solve for x
    x = 1,535,260,649,017.19/1,104,128.70
  6. Step 6: Final answer
    x = 1,390,472.55

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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.