Home / 1,342,380.16-1,852,488.30-738,768.16

Finding the Fourth Proportional to 1,342,380.16, 1,852,488.30 and 738,768.16

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Solution

The fourth proportional to 1,342,380.16, 1,852,488.30 and 738,768.16 is: 1,019,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,380.16 : 1,852,488.30 = 738,768.16 : x
  2. Step 2: Convert to fraction form
    1,342,380.16/1,852,488.30 = 738,768.16/x
  3. Step 3: Cross multiply
    1,342,380.16x = 1,852,488.30 × 738,768.16
  4. Step 4: Simplify right side
    1,342,380.16x = 1,368,559,372,812.53
  5. Step 5: Solve for x
    x = 1,368,559,372,812.53/1,342,380.16
  6. Step 6: Final answer
    x = 1,019,502.09

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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.