Home / 1,506,667.47-2,079,216.20-818,352.78

Finding the Fourth Proportional to 1,506,667.47, 2,079,216.20 and 818,352.78

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Solution

The fourth proportional to 1,506,667.47, 2,079,216.20 and 818,352.78 is: 1,129,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,667.47 : 2,079,216.20 = 818,352.78 : x
  2. Step 2: Convert to fraction form
    1,506,667.47/2,079,216.20 = 818,352.78/x
  3. Step 3: Cross multiply
    1,506,667.47x = 2,079,216.20 × 818,352.78
  4. Step 4: Simplify right side
    1,506,667.47x = 1,701,532,357,491.04
  5. Step 5: Solve for x
    x = 1,701,532,357,491.04/1,506,667.47
  6. Step 6: Final answer
    x = 1,129,335.03

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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.