Home / 1,731,719.76-2,388,226.14-1,087,200.06

Finding the Fourth Proportional to 1,731,719.76, 2,388,226.14 and 1,087,200.06

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Solution

The fourth proportional to 1,731,719.76, 2,388,226.14 and 1,087,200.06 is: 1,499,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,719.76 : 2,388,226.14 = 1,087,200.06 : x
  2. Step 2: Convert to fraction form
    1,731,719.76/2,388,226.14 = 1,087,200.06/x
  3. Step 3: Cross multiply
    1,731,719.76x = 2,388,226.14 × 1,087,200.06
  4. Step 4: Simplify right side
    1,731,719.76x = 2,596,479,602,701.57
  5. Step 5: Solve for x
    x = 2,596,479,602,701.57/1,731,719.76
  6. Step 6: Final answer
    x = 1,499,364.77

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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.