Home / 1,069,838.87-1,602,096.34-748,486.21

Finding the Fourth Proportional to 1,069,838.87, 1,602,096.34 and 748,486.21

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Solution

The fourth proportional to 1,069,838.87, 1,602,096.34 and 748,486.21 is: 1,120,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,838.87 : 1,602,096.34 = 748,486.21 : x
  2. Step 2: Convert to fraction form
    1,069,838.87/1,602,096.34 = 748,486.21/x
  3. Step 3: Cross multiply
    1,069,838.87x = 1,602,096.34 × 748,486.21
  4. Step 4: Simplify right side
    1,069,838.87x = 1,199,147,016,297.10
  5. Step 5: Solve for x
    x = 1,199,147,016,297.10/1,069,838.87
  6. Step 6: Final answer
    x = 1,120,866.94

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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.