Home / 1,154,403.80-1,731,605.70-676,106.90

Finding the Fourth Proportional to 1,154,403.80, 1,731,605.70 and 676,106.90

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Solution

The fourth proportional to 1,154,403.80, 1,731,605.70 and 676,106.90 is: 1,014,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,403.80 : 1,731,605.70 = 676,106.90 : x
  2. Step 2: Convert to fraction form
    1,154,403.80/1,731,605.70 = 676,106.90/x
  3. Step 3: Cross multiply
    1,154,403.80x = 1,731,605.70 × 676,106.90
  4. Step 4: Simplify right side
    1,154,403.80x = 1,170,750,561,849.33
  5. Step 5: Solve for x
    x = 1,170,750,561,849.33/1,154,403.80
  6. Step 6: Final answer
    x = 1,014,160.35

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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.