Home / 1,242,290.40-1,863,608.40-532,312.80

Finding the Fourth Proportional to 1,242,290.40, 1,863,608.40 and 532,312.80

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Solution

The fourth proportional to 1,242,290.40, 1,863,608.40 and 532,312.80 is: 798,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,290.40 : 1,863,608.40 = 532,312.80 : x
  2. Step 2: Convert to fraction form
    1,242,290.40/1,863,608.40 = 532,312.80/x
  3. Step 3: Cross multiply
    1,242,290.40x = 1,863,608.40 × 532,312.80
  4. Step 4: Simplify right side
    1,242,290.40x = 992,022,605,507.52
  5. Step 5: Solve for x
    x = 992,022,605,507.52/1,242,290.40
  6. Step 6: Final answer
    x = 798,543.24

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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.