Home / 1,058,145.58-1,587,031.46-418,236.60

Finding the Fourth Proportional to 1,058,145.58, 1,587,031.46 and 418,236.60

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Solution

The fourth proportional to 1,058,145.58, 1,587,031.46 and 418,236.60 is: 627,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,145.58 : 1,587,031.46 = 418,236.60 : x
  2. Step 2: Convert to fraction form
    1,058,145.58/1,587,031.46 = 418,236.60/x
  3. Step 3: Cross multiply
    1,058,145.58x = 1,587,031.46 × 418,236.60
  4. Step 4: Simplify right side
    1,058,145.58x = 663,754,637,248.67
  5. Step 5: Solve for x
    x = 663,754,637,248.67/1,058,145.58
  6. Step 6: Final answer
    x = 627,281.02

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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.