Home / 1,296,133.90-1,944,200.85-1,240,146.70

Finding the Fourth Proportional to 1,296,133.90, 1,944,200.85 and 1,240,146.70

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Solution

The fourth proportional to 1,296,133.90, 1,944,200.85 and 1,240,146.70 is: 1,860,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,133.90 : 1,944,200.85 = 1,240,146.70 : x
  2. Step 2: Convert to fraction form
    1,296,133.90/1,944,200.85 = 1,240,146.70/x
  3. Step 3: Cross multiply
    1,296,133.90x = 1,944,200.85 × 1,240,146.70
  4. Step 4: Simplify right side
    1,296,133.90x = 2,411,094,268,264.69
  5. Step 5: Solve for x
    x = 2,411,094,268,264.69/1,296,133.90
  6. Step 6: Final answer
    x = 1,860,220.05

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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.