Home / 1,058,707.04-1,587,167.37-459,216.86

Finding the Fourth Proportional to 1,058,707.04, 1,587,167.37 and 459,216.86

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Solution

The fourth proportional to 1,058,707.04, 1,587,167.37 and 459,216.86 is: 688,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,707.04 : 1,587,167.37 = 459,216.86 : x
  2. Step 2: Convert to fraction form
    1,058,707.04/1,587,167.37 = 459,216.86/x
  3. Step 3: Cross multiply
    1,058,707.04x = 1,587,167.37 × 459,216.86
  4. Step 4: Simplify right side
    1,058,707.04x = 728,854,015,945.86
  5. Step 5: Solve for x
    x = 728,854,015,945.86/1,058,707.04
  6. Step 6: Final answer
    x = 688,437.87

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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.