Home / 1,202,937.04-1,659,644.40-686,319.78

Finding the Fourth Proportional to 1,202,937.04, 1,659,644.40 and 686,319.78

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Solution

The fourth proportional to 1,202,937.04, 1,659,644.40 and 686,319.78 is: 946,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,937.04 : 1,659,644.40 = 686,319.78 : x
  2. Step 2: Convert to fraction form
    1,202,937.04/1,659,644.40 = 686,319.78/x
  3. Step 3: Cross multiply
    1,202,937.04x = 1,659,644.40 × 686,319.78
  4. Step 4: Simplify right side
    1,202,937.04x = 1,139,046,779,486.23
  5. Step 5: Solve for x
    x = 1,139,046,779,486.23/1,202,937.04
  6. Step 6: Final answer
    x = 946,888.11

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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.