Home / 1,223,478.40-1,834,799.28-465,136.96

Finding the Fourth Proportional to 1,223,478.40, 1,834,799.28 and 465,136.96

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Solution

The fourth proportional to 1,223,478.40, 1,834,799.28 and 465,136.96 is: 697,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,478.40 : 1,834,799.28 = 465,136.96 : x
  2. Step 2: Convert to fraction form
    1,223,478.40/1,834,799.28 = 465,136.96/x
  3. Step 3: Cross multiply
    1,223,478.40x = 1,834,799.28 × 465,136.96
  4. Step 4: Simplify right side
    1,223,478.40x = 853,432,959,309.39
  5. Step 5: Solve for x
    x = 853,432,959,309.39/1,223,478.40
  6. Step 6: Final answer
    x = 697,546.40

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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.