Home / 1,012,661.80-1,518,992.70-996,915.40

Finding the Fourth Proportional to 1,012,661.80, 1,518,992.70 and 996,915.40

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Solution

The fourth proportional to 1,012,661.80, 1,518,992.70 and 996,915.40 is: 1,495,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,661.80 : 1,518,992.70 = 996,915.40 : x
  2. Step 2: Convert to fraction form
    1,012,661.80/1,518,992.70 = 996,915.40/x
  3. Step 3: Cross multiply
    1,012,661.80x = 1,518,992.70 × 996,915.40
  4. Step 4: Simplify right side
    1,012,661.80x = 1,514,307,215,117.58
  5. Step 5: Solve for x
    x = 1,514,307,215,117.58/1,012,661.80
  6. Step 6: Final answer
    x = 1,495,373.10

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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.