Home / 1,439,398.88-2,159,101.05-374,439.23

Finding the Fourth Proportional to 1,439,398.88, 2,159,101.05 and 374,439.23

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Solution

The fourth proportional to 1,439,398.88, 2,159,101.05 and 374,439.23 is: 561,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,398.88 : 2,159,101.05 = 374,439.23 : x
  2. Step 2: Convert to fraction form
    1,439,398.88/2,159,101.05 = 374,439.23/x
  3. Step 3: Cross multiply
    1,439,398.88x = 2,159,101.05 × 374,439.23
  4. Step 4: Simplify right side
    1,439,398.88x = 808,452,134,654.19
  5. Step 5: Solve for x
    x = 808,452,134,654.19/1,439,398.88
  6. Step 6: Final answer
    x = 561,659.56

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1.5x scale

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.