Home / 1,417,870.42-2,127,138.45-871,371.88

Finding the Fourth Proportional to 1,417,870.42, 2,127,138.45 and 871,371.88

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Solution

The fourth proportional to 1,417,870.42, 2,127,138.45 and 871,371.88 is: 1,307,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,870.42 : 2,127,138.45 = 871,371.88 : x
  2. Step 2: Convert to fraction form
    1,417,870.42/2,127,138.45 = 871,371.88/x
  3. Step 3: Cross multiply
    1,417,870.42x = 2,127,138.45 × 871,371.88
  4. Step 4: Simplify right side
    1,417,870.42x = 1,853,528,630,196.79
  5. Step 5: Solve for x
    x = 1,853,528,630,196.79/1,417,870.42
  6. Step 6: Final answer
    x = 1,307,262.36

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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.