Home / 1,236,430.80-1,854,646.20-917,566.20

Finding the Fourth Proportional to 1,236,430.80, 1,854,646.20 and 917,566.20

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Solution

The fourth proportional to 1,236,430.80, 1,854,646.20 and 917,566.20 is: 1,376,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,430.80 : 1,854,646.20 = 917,566.20 : x
  2. Step 2: Convert to fraction form
    1,236,430.80/1,854,646.20 = 917,566.20/x
  3. Step 3: Cross multiply
    1,236,430.80x = 1,854,646.20 × 917,566.20
  4. Step 4: Simplify right side
    1,236,430.80x = 1,701,760,666,078.44
  5. Step 5: Solve for x
    x = 1,701,760,666,078.44/1,236,430.80
  6. Step 6: Final answer
    x = 1,376,349.30

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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.