Home / 1,702,129.40-2,554,115.70-755,646.20

Finding the Fourth Proportional to 1,702,129.40, 2,554,115.70 and 755,646.20

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Solution

The fourth proportional to 1,702,129.40, 2,554,115.70 and 755,646.20 is: 1,133,878.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,129.40 : 2,554,115.70 = 755,646.20 : x
  2. Step 2: Convert to fraction form
    1,702,129.40/2,554,115.70 = 755,646.20/x
  3. Step 3: Cross multiply
    1,702,129.40x = 2,554,115.70 × 755,646.20
  4. Step 4: Simplify right side
    1,702,129.40x = 1,930,007,823,065.34
  5. Step 5: Solve for x
    x = 1,930,007,823,065.34/1,702,129.40
  6. Step 6: Final answer
    x = 1,133,878.44

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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.