Home / 1,506,810.88-2,079,421.38-818,496.16

Finding the Fourth Proportional to 1,506,810.88, 2,079,421.38 and 818,496.16

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Solution

The fourth proportional to 1,506,810.88, 2,079,421.38 and 818,496.16 is: 1,129,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,810.88 : 2,079,421.38 = 818,496.16 : x
  2. Step 2: Convert to fraction form
    1,506,810.88/2,079,421.38 = 818,496.16/x
  3. Step 3: Cross multiply
    1,506,810.88x = 2,079,421.38 × 818,496.16
  4. Step 4: Simplify right side
    1,506,810.88x = 1,701,998,414,551.90
  5. Step 5: Solve for x
    x = 1,701,998,414,551.90/1,506,810.88
  6. Step 6: Final answer
    x = 1,129,536.85

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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.