Home / 781,626.54-1,165,868.18-709,871.07

Finding the Fourth Proportional to 781,626.54, 1,165,868.18 and 709,871.07

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Solution

The fourth proportional to 781,626.54, 1,165,868.18 and 709,871.07 is: 1,058,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,626.54 : 1,165,868.18 = 709,871.07 : x
  2. Step 2: Convert to fraction form
    781,626.54/1,165,868.18 = 709,871.07/x
  3. Step 3: Cross multiply
    781,626.54x = 1,165,868.18 × 709,871.07
  4. Step 4: Simplify right side
    781,626.54x = 827,616,094,190.23
  5. Step 5: Solve for x
    x = 827,616,094,190.23/781,626.54
  6. Step 6: Final answer
    x = 1,058,838.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.