Home / 1,130,470.65-1,560,016.94-647,019.36

Finding the Fourth Proportional to 1,130,470.65, 1,560,016.94 and 647,019.36

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Solution

The fourth proportional to 1,130,470.65, 1,560,016.94 and 647,019.36 is: 892,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,470.65 : 1,560,016.94 = 647,019.36 : x
  2. Step 2: Convert to fraction form
    1,130,470.65/1,560,016.94 = 647,019.36/x
  3. Step 3: Cross multiply
    1,130,470.65x = 1,560,016.94 × 647,019.36
  4. Step 4: Simplify right side
    1,130,470.65x = 1,009,361,158,872.86
  5. Step 5: Solve for x
    x = 1,009,361,158,872.86/1,130,470.65
  6. Step 6: Final answer
    x = 892,868.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.