Home / 996,687.10-1,495,030.65-990,782.20

Finding the Fourth Proportional to 996,687.10, 1,495,030.65 and 990,782.20

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Solution

The fourth proportional to 996,687.10, 1,495,030.65 and 990,782.20 is: 1,486,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,687.10 : 1,495,030.65 = 990,782.20 : x
  2. Step 2: Convert to fraction form
    996,687.10/1,495,030.65 = 990,782.20/x
  3. Step 3: Cross multiply
    996,687.10x = 1,495,030.65 × 990,782.20
  4. Step 4: Simplify right side
    996,687.10x = 1,481,249,756,474.43
  5. Step 5: Solve for x
    x = 1,481,249,756,474.43/996,687.10
  6. Step 6: Final answer
    x = 1,486,173.30

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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.