Home / 1,658,416.54-2,487,638.75-460,432.28

Finding the Fourth Proportional to 1,658,416.54, 2,487,638.75 and 460,432.28

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Solution

The fourth proportional to 1,658,416.54, 2,487,638.75 and 460,432.28 is: 690,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,416.54 : 2,487,638.75 = 460,432.28 : x
  2. Step 2: Convert to fraction form
    1,658,416.54/2,487,638.75 = 460,432.28/x
  3. Step 3: Cross multiply
    1,658,416.54x = 2,487,638.75 × 460,432.28
  4. Step 4: Simplify right side
    1,658,416.54x = 1,145,389,181,478.85
  5. Step 5: Solve for x
    x = 1,145,389,181,478.85/1,658,416.54
  6. Step 6: Final answer
    x = 690,652.29

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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.