Home / 1,120,549.16-1,681,166.14-671,769.64

Finding the Fourth Proportional to 1,120,549.16, 1,681,166.14 and 671,769.64

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Solution

The fourth proportional to 1,120,549.16, 1,681,166.14 and 671,769.64 is: 1,007,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,549.16 : 1,681,166.14 = 671,769.64 : x
  2. Step 2: Convert to fraction form
    1,120,549.16/1,681,166.14 = 671,769.64/x
  3. Step 3: Cross multiply
    1,120,549.16x = 1,681,166.14 × 671,769.64
  4. Step 4: Simplify right side
    1,120,549.16x = 1,129,356,372,647.99
  5. Step 5: Solve for x
    x = 1,129,356,372,647.99/1,120,549.16
  6. Step 6: Final answer
    x = 1,007,859.73

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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.