Home / 1,207,427.56-1,666,258.02-754,983.40

Finding the Fourth Proportional to 1,207,427.56, 1,666,258.02 and 754,983.40

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Solution

The fourth proportional to 1,207,427.56, 1,666,258.02 and 754,983.40 is: 1,041,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,427.56 : 1,666,258.02 = 754,983.40 : x
  2. Step 2: Convert to fraction form
    1,207,427.56/1,666,258.02 = 754,983.40/x
  3. Step 3: Cross multiply
    1,207,427.56x = 1,666,258.02 × 754,983.40
  4. Step 4: Simplify right side
    1,207,427.56x = 1,257,997,145,216.87
  5. Step 5: Solve for x
    x = 1,257,997,145,216.87/1,207,427.56
  6. Step 6: Final answer
    x = 1,041,882.09

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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.