Home / 983,411.20-1,475,116.80-941,939.20

Finding the Fourth Proportional to 983,411.20, 1,475,116.80 and 941,939.20

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Solution

The fourth proportional to 983,411.20, 1,475,116.80 and 941,939.20 is: 1,412,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,411.20 : 1,475,116.80 = 941,939.20 : x
  2. Step 2: Convert to fraction form
    983,411.20/1,475,116.80 = 941,939.20/x
  3. Step 3: Cross multiply
    983,411.20x = 1,475,116.80 × 941,939.20
  4. Step 4: Simplify right side
    983,411.20x = 1,389,470,338,498.56
  5. Step 5: Solve for x
    x = 1,389,470,338,498.56/983,411.20
  6. Step 6: Final answer
    x = 1,412,908.80

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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.