Home / 1,118,084.40-1,677,126.60-1,031,479.20

Finding the Fourth Proportional to 1,118,084.40, 1,677,126.60 and 1,031,479.20

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Solution

The fourth proportional to 1,118,084.40, 1,677,126.60 and 1,031,479.20 is: 1,547,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,084.40 : 1,677,126.60 = 1,031,479.20 : x
  2. Step 2: Convert to fraction form
    1,118,084.40/1,677,126.60 = 1,031,479.20/x
  3. Step 3: Cross multiply
    1,118,084.40x = 1,677,126.60 × 1,031,479.20
  4. Step 4: Simplify right side
    1,118,084.40x = 1,729,921,203,666.72
  5. Step 5: Solve for x
    x = 1,729,921,203,666.72/1,118,084.40
  6. Step 6: Final answer
    x = 1,547,218.80

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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.