Home / 1,648,417.35-2,472,979.71-511,155.12

Finding the Fourth Proportional to 1,648,417.35, 2,472,979.71 and 511,155.12

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Solution

The fourth proportional to 1,648,417.35, 2,472,979.71 and 511,155.12 is: 766,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,417.35 : 2,472,979.71 = 511,155.12 : x
  2. Step 2: Convert to fraction form
    1,648,417.35/2,472,979.71 = 511,155.12/x
  3. Step 3: Cross multiply
    1,648,417.35x = 2,472,979.71 × 511,155.12
  4. Step 4: Simplify right side
    1,648,417.35x = 1,264,076,240,422.62
  5. Step 5: Solve for x
    x = 1,264,076,240,422.62/1,648,417.35
  6. Step 6: Final answer
    x = 766,842.35

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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.