Home / 1,058,625.36-1,587,045.42-459,135

Finding the Fourth Proportional to 1,058,625.36, 1,587,045.42 and 459,135

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Solution

The fourth proportional to 1,058,625.36, 1,587,045.42 and 459,135 is: 688,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,625.36 : 1,587,045.42 = 459,135 : x
  2. Step 2: Convert to fraction form
    1,058,625.36/1,587,045.42 = 459,135/x
  3. Step 3: Cross multiply
    1,058,625.36x = 1,587,045.42 × 459,135
  4. Step 4: Simplify right side
    1,058,625.36x = 728,668,098,911.70
  5. Step 5: Solve for x
    x = 728,668,098,911.70/1,058,625.36
  6. Step 6: Final answer
    x = 688,315.36

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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.