Home / 1,290,565.40-1,934,104.31-491,411.00

Finding the Fourth Proportional to 1,290,565.40, 1,934,104.31 and 491,411.00

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Solution

The fourth proportional to 1,290,565.40, 1,934,104.31 and 491,411.00 is: 736,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,565.40 : 1,934,104.31 = 491,411.00 : x
  2. Step 2: Convert to fraction form
    1,290,565.40/1,934,104.31 = 491,411.00/x
  3. Step 3: Cross multiply
    1,290,565.40x = 1,934,104.31 × 491,411.00
  4. Step 4: Simplify right side
    1,290,565.40x = 950,440,120,953.83
  5. Step 5: Solve for x
    x = 950,440,120,953.83/1,290,565.40
  6. Step 6: Final answer
    x = 736,452.51

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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.