Home / 1,117,304.40-1,676,055.40-318,568.80

Finding the Fourth Proportional to 1,117,304.40, 1,676,055.40 and 318,568.80

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Solution

The fourth proportional to 1,117,304.40, 1,676,055.40 and 318,568.80 is: 477,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,304.40 : 1,676,055.40 = 318,568.80 : x
  2. Step 2: Convert to fraction form
    1,117,304.40/1,676,055.40 = 318,568.80/x
  3. Step 3: Cross multiply
    1,117,304.40x = 1,676,055.40 × 318,568.80
  4. Step 4: Simplify right side
    1,117,304.40x = 533,938,957,511.52
  5. Step 5: Solve for x
    x = 533,938,957,511.52/1,117,304.40
  6. Step 6: Final answer
    x = 477,881.37

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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.