Home / 1,296,459.40-1,944,689.10-349,828.60

Finding the Fourth Proportional to 1,296,459.40, 1,944,689.10 and 349,828.60

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Solution

The fourth proportional to 1,296,459.40, 1,944,689.10 and 349,828.60 is: 524,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,459.40 : 1,944,689.10 = 349,828.60 : x
  2. Step 2: Convert to fraction form
    1,296,459.40/1,944,689.10 = 349,828.60/x
  3. Step 3: Cross multiply
    1,296,459.40x = 1,944,689.10 × 349,828.60
  4. Step 4: Simplify right side
    1,296,459.40x = 680,307,865,288.26
  5. Step 5: Solve for x
    x = 680,307,865,288.26/1,296,459.40
  6. Step 6: Final answer
    x = 524,742.90

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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.