Home / 1,490,143.34-2,053,938.30-1,053,997.22

Finding the Fourth Proportional to 1,490,143.34, 2,053,938.30 and 1,053,997.22

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Solution

The fourth proportional to 1,490,143.34, 2,053,938.30 and 1,053,997.22 is: 1,452,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,143.34 : 2,053,938.30 = 1,053,997.22 : x
  2. Step 2: Convert to fraction form
    1,490,143.34/2,053,938.30 = 1,053,997.22/x
  3. Step 3: Cross multiply
    1,490,143.34x = 2,053,938.30 × 1,053,997.22
  4. Step 4: Simplify right side
    1,490,143.34x = 2,164,845,258,251.53
  5. Step 5: Solve for x
    x = 2,164,845,258,251.53/1,490,143.34
  6. Step 6: Final answer
    x = 1,452,776.52

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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.