Home / 1,058,721.16-1,587,684.30-384,635.92

Finding the Fourth Proportional to 1,058,721.16, 1,587,684.30 and 384,635.92

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Solution

The fourth proportional to 1,058,721.16, 1,587,684.30 and 384,635.92 is: 576,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,721.16 : 1,587,684.30 = 384,635.92 : x
  2. Step 2: Convert to fraction form
    1,058,721.16/1,587,684.30 = 384,635.92/x
  3. Step 3: Cross multiply
    1,058,721.16x = 1,587,684.30 × 384,635.92
  4. Step 4: Simplify right side
    1,058,721.16x = 610,680,411,400.06
  5. Step 5: Solve for x
    x = 610,680,411,400.06/1,058,721.16
  6. Step 6: Final answer
    x = 576,809.49

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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.