Home / 1,073,662.09-1,609,312.15-442,231.45

Finding the Fourth Proportional to 1,073,662.09, 1,609,312.15 and 442,231.45

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Solution

The fourth proportional to 1,073,662.09, 1,609,312.15 and 442,231.45 is: 662,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,662.09 : 1,609,312.15 = 442,231.45 : x
  2. Step 2: Convert to fraction form
    1,073,662.09/1,609,312.15 = 442,231.45/x
  3. Step 3: Cross multiply
    1,073,662.09x = 1,609,312.15 × 442,231.45
  4. Step 4: Simplify right side
    1,073,662.09x = 711,688,442,126.63
  5. Step 5: Solve for x
    x = 711,688,442,126.63/1,073,662.09
  6. Step 6: Final answer
    x = 662,860.74

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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.