Home / 1,235,456.90-1,852,310.55-477,005.30

Finding the Fourth Proportional to 1,235,456.90, 1,852,310.55 and 477,005.30

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Solution

The fourth proportional to 1,235,456.90, 1,852,310.55 and 477,005.30 is: 715,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,456.90 : 1,852,310.55 = 477,005.30 : x
  2. Step 2: Convert to fraction form
    1,235,456.90/1,852,310.55 = 477,005.30/x
  3. Step 3: Cross multiply
    1,235,456.90x = 1,852,310.55 × 477,005.30
  4. Step 4: Simplify right side
    1,235,456.90x = 883,561,949,595.92
  5. Step 5: Solve for x
    x = 883,561,949,595.92/1,235,456.90
  6. Step 6: Final answer
    x = 715,170.19

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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.