Home / 1,258,816.02-1,737,144.18-685,860.36

Finding the Fourth Proportional to 1,258,816.02, 1,737,144.18 and 685,860.36

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Solution

The fourth proportional to 1,258,816.02, 1,737,144.18 and 685,860.36 is: 946,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,816.02 : 1,737,144.18 = 685,860.36 : x
  2. Step 2: Convert to fraction form
    1,258,816.02/1,737,144.18 = 685,860.36/x
  3. Step 3: Cross multiply
    1,258,816.02x = 1,737,144.18 × 685,860.36
  4. Step 4: Simplify right side
    1,258,816.02x = 1,191,438,332,666.70
  5. Step 5: Solve for x
    x = 1,191,438,332,666.70/1,258,816.02
  6. Step 6: Final answer
    x = 946,475.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.