Home / 1,118,985.98-1,543,541.27-791,931.06

Finding the Fourth Proportional to 1,118,985.98, 1,543,541.27 and 791,931.06

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Solution

The fourth proportional to 1,118,985.98, 1,543,541.27 and 791,931.06 is: 1,092,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,985.98 : 1,543,541.27 = 791,931.06 : x
  2. Step 2: Convert to fraction form
    1,118,985.98/1,543,541.27 = 791,931.06/x
  3. Step 3: Cross multiply
    1,118,985.98x = 1,543,541.27 × 791,931.06
  4. Step 4: Simplify right side
    1,118,985.98x = 1,222,378,270,145.19
  5. Step 5: Solve for x
    x = 1,222,378,270,145.19/1,118,985.98
  6. Step 6: Final answer
    x = 1,092,398.20

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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.