Home / 1,138,228.19-1,707,566.45-339,492.05

Finding the Fourth Proportional to 1,138,228.19, 1,707,566.45 and 339,492.05

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Solution

The fourth proportional to 1,138,228.19, 1,707,566.45 and 339,492.05 is: 509,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,228.19 : 1,707,566.45 = 339,492.05 : x
  2. Step 2: Convert to fraction form
    1,138,228.19/1,707,566.45 = 339,492.05/x
  3. Step 3: Cross multiply
    1,138,228.19x = 1,707,566.45 × 339,492.05
  4. Step 4: Simplify right side
    1,138,228.19x = 579,705,224,386.43
  5. Step 5: Solve for x
    x = 579,705,224,386.43/1,138,228.19
  6. Step 6: Final answer
    x = 509,304.93

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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.