Home / 1,020,653.80-1,527,351.90-888,980.20

Finding the Fourth Proportional to 1,020,653.80, 1,527,351.90 and 888,980.20

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Solution

The fourth proportional to 1,020,653.80, 1,527,351.90 and 888,980.20 is: 1,330,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,653.80 : 1,527,351.90 = 888,980.20 : x
  2. Step 2: Convert to fraction form
    1,020,653.80/1,527,351.90 = 888,980.20/x
  3. Step 3: Cross multiply
    1,020,653.80x = 1,527,351.90 × 888,980.20
  4. Step 4: Simplify right side
    1,020,653.80x = 1,357,785,597,532.38
  5. Step 5: Solve for x
    x = 1,357,785,597,532.38/1,020,653.80
  6. Step 6: Final answer
    x = 1,330,309.65

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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.