Home / 1,195,838.40-1,649,323.80-766,158.72

Finding the Fourth Proportional to 1,195,838.40, 1,649,323.80 and 766,158.72

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Solution

The fourth proportional to 1,195,838.40, 1,649,323.80 and 766,158.72 is: 1,056,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,838.40 : 1,649,323.80 = 766,158.72 : x
  2. Step 2: Convert to fraction form
    1,195,838.40/1,649,323.80 = 766,158.72/x
  3. Step 3: Cross multiply
    1,195,838.40x = 1,649,323.80 × 766,158.72
  4. Step 4: Simplify right side
    1,195,838.40x = 1,263,643,811,473.54
  5. Step 5: Solve for x
    x = 1,263,643,811,473.54/1,195,838.40
  6. Step 6: Final answer
    x = 1,056,701.15

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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.