Home / 1,376,862.66-2,062,303.26-665,398.76

Finding the Fourth Proportional to 1,376,862.66, 2,062,303.26 and 665,398.76

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Solution

The fourth proportional to 1,376,862.66, 2,062,303.26 and 665,398.76 is: 996,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,862.66 : 2,062,303.26 = 665,398.76 : x
  2. Step 2: Convert to fraction form
    1,376,862.66/2,062,303.26 = 665,398.76/x
  3. Step 3: Cross multiply
    1,376,862.66x = 2,062,303.26 × 665,398.76
  4. Step 4: Simplify right side
    1,376,862.66x = 1,372,254,031,947.96
  5. Step 5: Solve for x
    x = 1,372,254,031,947.96/1,376,862.66
  6. Step 6: Final answer
    x = 996,652.80

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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.