Home / 887,003.40-1,330,505.10-879,130.20

Finding the Fourth Proportional to 887,003.40, 1,330,505.10 and 879,130.20

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Solution

The fourth proportional to 887,003.40, 1,330,505.10 and 879,130.20 is: 1,318,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,003.40 : 1,330,505.10 = 879,130.20 : x
  2. Step 2: Convert to fraction form
    887,003.40/1,330,505.10 = 879,130.20/x
  3. Step 3: Cross multiply
    887,003.40x = 1,330,505.10 × 879,130.20
  4. Step 4: Simplify right side
    887,003.40x = 1,169,687,214,664.02
  5. Step 5: Solve for x
    x = 1,169,687,214,664.02/887,003.40
  6. Step 6: Final answer
    x = 1,318,695.30

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1.5x scale

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.