Home / 1,564,085.88-2,158,471.80-885,022.38

Finding the Fourth Proportional to 1,564,085.88, 2,158,471.80 and 885,022.38

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Solution

The fourth proportional to 1,564,085.88, 2,158,471.80 and 885,022.38 is: 1,221,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,085.88 : 2,158,471.80 = 885,022.38 : x
  2. Step 2: Convert to fraction form
    1,564,085.88/2,158,471.80 = 885,022.38/x
  3. Step 3: Cross multiply
    1,564,085.88x = 2,158,471.80 × 885,022.38
  4. Step 4: Simplify right side
    1,564,085.88x = 1,910,295,849,598.88
  5. Step 5: Solve for x
    x = 1,910,295,849,598.88/1,564,085.88
  6. Step 6: Final answer
    x = 1,221,349.72

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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.