Home / 1,130,719.14-1,695,414.51-456,821.82

Finding the Fourth Proportional to 1,130,719.14, 1,695,414.51 and 456,821.82

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Solution

The fourth proportional to 1,130,719.14, 1,695,414.51 and 456,821.82 is: 684,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,719.14 : 1,695,414.51 = 456,821.82 : x
  2. Step 2: Convert to fraction form
    1,130,719.14/1,695,414.51 = 456,821.82/x
  3. Step 3: Cross multiply
    1,130,719.14x = 1,695,414.51 × 456,821.82
  4. Step 4: Simplify right side
    1,130,719.14x = 774,502,342,112.61
  5. Step 5: Solve for x
    x = 774,502,342,112.61/1,130,719.14
  6. Step 6: Final answer
    x = 684,964.39

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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.