Home / 1,274,718.03-1,912,427.40-376,159.86

Finding the Fourth Proportional to 1,274,718.03, 1,912,427.40 and 376,159.86

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Solution

The fourth proportional to 1,274,718.03, 1,912,427.40 and 376,159.86 is: 564,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,718.03 : 1,912,427.40 = 376,159.86 : x
  2. Step 2: Convert to fraction form
    1,274,718.03/1,912,427.40 = 376,159.86/x
  3. Step 3: Cross multiply
    1,274,718.03x = 1,912,427.40 × 376,159.86
  4. Step 4: Simplify right side
    1,274,718.03x = 719,378,423,044.16
  5. Step 5: Solve for x
    x = 719,378,423,044.16/1,274,718.03
  6. Step 6: Final answer
    x = 564,343.18

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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.