Home / 1,565,021.28-2,159,696.88-849,629.28

Finding the Fourth Proportional to 1,565,021.28, 2,159,696.88 and 849,629.28

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Solution

The fourth proportional to 1,565,021.28, 2,159,696.88 and 849,629.28 is: 1,172,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,021.28 : 2,159,696.88 = 849,629.28 : x
  2. Step 2: Convert to fraction form
    1,565,021.28/2,159,696.88 = 849,629.28/x
  3. Step 3: Cross multiply
    1,565,021.28x = 2,159,696.88 × 849,629.28
  4. Step 4: Simplify right side
    1,565,021.28x = 1,834,941,705,172.65
  5. Step 5: Solve for x
    x = 1,834,941,705,172.65/1,565,021.28
  6. Step 6: Final answer
    x = 1,172,470.77

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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.