Home / 1,012,544.20-1,519,205.10-996,603.40

Finding the Fourth Proportional to 1,012,544.20, 1,519,205.10 and 996,603.40

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Solution

The fourth proportional to 1,012,544.20, 1,519,205.10 and 996,603.40 is: 1,495,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,544.20 : 1,519,205.10 = 996,603.40 : x
  2. Step 2: Convert to fraction form
    1,012,544.20/1,519,205.10 = 996,603.40/x
  3. Step 3: Cross multiply
    1,012,544.20x = 1,519,205.10 × 996,603.40
  4. Step 4: Simplify right side
    1,012,544.20x = 1,514,044,967,957.34
  5. Step 5: Solve for x
    x = 1,514,044,967,957.34/1,012,544.20
  6. Step 6: Final answer
    x = 1,495,287.78

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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.