Home / 1,058,704.86-1,587,164.38-459,214.64

Finding the Fourth Proportional to 1,058,704.86, 1,587,164.38 and 459,214.64

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Solution

The fourth proportional to 1,058,704.86, 1,587,164.38 and 459,214.64 is: 688,434.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,704.86 : 1,587,164.38 = 459,214.64 : x
  2. Step 2: Convert to fraction form
    1,058,704.86/1,587,164.38 = 459,214.64/x
  3. Step 3: Cross multiply
    1,058,704.86x = 1,587,164.38 × 459,214.64
  4. Step 4: Simplify right side
    1,058,704.86x = 728,849,119,382.52
  5. Step 5: Solve for x
    x = 728,849,119,382.52/1,058,704.86
  6. Step 6: Final answer
    x = 688,434.66

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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.