Home / 1,248,106.41-1,721,839.77-731,598.45

Finding the Fourth Proportional to 1,248,106.41, 1,721,839.77 and 731,598.45

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Solution

The fourth proportional to 1,248,106.41, 1,721,839.77 and 731,598.45 is: 1,009,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,106.41 : 1,721,839.77 = 731,598.45 : x
  2. Step 2: Convert to fraction form
    1,248,106.41/1,721,839.77 = 731,598.45/x
  3. Step 3: Cross multiply
    1,248,106.41x = 1,721,839.77 × 731,598.45
  4. Step 4: Simplify right side
    1,248,106.41x = 1,259,695,306,880.36
  5. Step 5: Solve for x
    x = 1,259,695,306,880.36/1,248,106.41
  6. Step 6: Final answer
    x = 1,009,285.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.