Home / 1,248,301.70-1,871,359.05-847,643.30

Finding the Fourth Proportional to 1,248,301.70, 1,871,359.05 and 847,643.30

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Solution

The fourth proportional to 1,248,301.70, 1,871,359.05 and 847,643.30 is: 1,270,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,301.70 : 1,871,359.05 = 847,643.30 : x
  2. Step 2: Convert to fraction form
    1,248,301.70/1,871,359.05 = 847,643.30/x
  3. Step 3: Cross multiply
    1,248,301.70x = 1,871,359.05 × 847,643.30
  4. Step 4: Simplify right side
    1,248,301.70x = 1,586,244,960,626.87
  5. Step 5: Solve for x
    x = 1,586,244,960,626.87/1,248,301.70
  6. Step 6: Final answer
    x = 1,270,722.42

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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.