Home / 1,223,264.80-1,834,897.20-424,280.80

Finding the Fourth Proportional to 1,223,264.80, 1,834,897.20 and 424,280.80

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Solution

The fourth proportional to 1,223,264.80, 1,834,897.20 and 424,280.80 is: 636,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,264.80 : 1,834,897.20 = 424,280.80 : x
  2. Step 2: Convert to fraction form
    1,223,264.80/1,834,897.20 = 424,280.80/x
  3. Step 3: Cross multiply
    1,223,264.80x = 1,834,897.20 × 424,280.80
  4. Step 4: Simplify right side
    1,223,264.80x = 778,511,651,933.76
  5. Step 5: Solve for x
    x = 778,511,651,933.76/1,223,264.80
  6. Step 6: Final answer
    x = 636,421.20

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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.