Home / 1,012,659.80-1,518,989.70-996,913.40

Finding the Fourth Proportional to 1,012,659.80, 1,518,989.70 and 996,913.40

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Solution

The fourth proportional to 1,012,659.80, 1,518,989.70 and 996,913.40 is: 1,495,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,659.80 : 1,518,989.70 = 996,913.40 : x
  2. Step 2: Convert to fraction form
    1,012,659.80/1,518,989.70 = 996,913.40/x
  3. Step 3: Cross multiply
    1,012,659.80x = 1,518,989.70 × 996,913.40
  4. Step 4: Simplify right side
    1,012,659.80x = 1,514,301,186,391.98
  5. Step 5: Solve for x
    x = 1,514,301,186,391.98/1,012,659.80
  6. Step 6: Final answer
    x = 1,495,370.10

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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.