Home / 1,310,775.03-1,966,356.30-671,440.44

Finding the Fourth Proportional to 1,310,775.03, 1,966,356.30 and 671,440.44

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Solution

The fourth proportional to 1,310,775.03, 1,966,356.30 and 671,440.44 is: 1,007,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,775.03 : 1,966,356.30 = 671,440.44 : x
  2. Step 2: Convert to fraction form
    1,310,775.03/1,966,356.30 = 671,440.44/x
  3. Step 3: Cross multiply
    1,310,775.03x = 1,966,356.30 × 671,440.44
  4. Step 4: Simplify right side
    1,310,775.03x = 1,320,291,138,099.76
  5. Step 5: Solve for x
    x = 1,320,291,138,099.76/1,310,775.03
  6. Step 6: Final answer
    x = 1,007,259.91

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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.