Home / 1,281,348.18-1,922,040.90-334,719

Finding the Fourth Proportional to 1,281,348.18, 1,922,040.90 and 334,719

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Solution

The fourth proportional to 1,281,348.18, 1,922,040.90 and 334,719 is: 502,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,348.18 : 1,922,040.90 = 334,719 : x
  2. Step 2: Convert to fraction form
    1,281,348.18/1,922,040.90 = 334,719/x
  3. Step 3: Cross multiply
    1,281,348.18x = 1,922,040.90 × 334,719
  4. Step 4: Simplify right side
    1,281,348.18x = 643,343,608,007.10
  5. Step 5: Solve for x
    x = 643,343,608,007.10/1,281,348.18
  6. Step 6: Final answer
    x = 502,083.37

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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.