Home / 887,006.40-1,330,509.60-879,133.20

Finding the Fourth Proportional to 887,006.40, 1,330,509.60 and 879,133.20

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Solution

The fourth proportional to 887,006.40, 1,330,509.60 and 879,133.20 is: 1,318,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,006.40 : 1,330,509.60 = 879,133.20 : x
  2. Step 2: Convert to fraction form
    887,006.40/1,330,509.60 = 879,133.20/x
  3. Step 3: Cross multiply
    887,006.40x = 1,330,509.60 × 879,133.20
  4. Step 4: Simplify right side
    887,006.40x = 1,169,695,162,278.72
  5. Step 5: Solve for x
    x = 1,169,695,162,278.72/887,006.40
  6. Step 6: Final answer
    x = 1,318,699.80

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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.