Home / 1,127,950.40-1,687,971.78-808,454.40

Finding the Fourth Proportional to 1,127,950.40, 1,687,971.78 and 808,454.40

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Solution

The fourth proportional to 1,127,950.40, 1,687,971.78 and 808,454.40 is: 1,209,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,950.40 : 1,687,971.78 = 808,454.40 : x
  2. Step 2: Convert to fraction form
    1,127,950.40/1,687,971.78 = 808,454.40/x
  3. Step 3: Cross multiply
    1,127,950.40x = 1,687,971.78 × 808,454.40
  4. Step 4: Simplify right side
    1,127,950.40x = 1,364,648,212,616.83
  5. Step 5: Solve for x
    x = 1,364,648,212,616.83/1,127,950.40
  6. Step 6: Final answer
    x = 1,209,847.72

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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.