Home / 1,058,632.07-1,587,055.53-459,141.87

Finding the Fourth Proportional to 1,058,632.07, 1,587,055.53 and 459,141.87

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Solution

The fourth proportional to 1,058,632.07, 1,587,055.53 and 459,141.87 is: 688,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,632.07 : 1,587,055.53 = 459,141.87 : x
  2. Step 2: Convert to fraction form
    1,058,632.07/1,587,055.53 = 459,141.87/x
  3. Step 3: Cross multiply
    1,058,632.07x = 1,587,055.53 × 459,141.87
  4. Step 4: Simplify right side
    1,058,632.07x = 728,683,643,838.04
  5. Step 5: Solve for x
    x = 728,683,643,838.04/1,058,632.07
  6. Step 6: Final answer
    x = 688,325.69

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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.