Home / 1,417,869.42-2,127,136.95-871,370.88

Finding the Fourth Proportional to 1,417,869.42, 2,127,136.95 and 871,370.88

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Solution

The fourth proportional to 1,417,869.42, 2,127,136.95 and 871,370.88 is: 1,307,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,869.42 : 2,127,136.95 = 871,370.88 : x
  2. Step 2: Convert to fraction form
    1,417,869.42/2,127,136.95 = 871,370.88/x
  3. Step 3: Cross multiply
    1,417,869.42x = 2,127,136.95 × 871,370.88
  4. Step 4: Simplify right side
    1,417,869.42x = 1,853,525,196,002.02
  5. Step 5: Solve for x
    x = 1,853,525,196,002.02/1,417,869.42
  6. Step 6: Final answer
    x = 1,307,260.86

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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.