Home / 1,070,410.45-1,475,737.41-850,377.80

Finding the Fourth Proportional to 1,070,410.45, 1,475,737.41 and 850,377.80

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Solution

The fourth proportional to 1,070,410.45, 1,475,737.41 and 850,377.80 is: 1,172,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,410.45 : 1,475,737.41 = 850,377.80 : x
  2. Step 2: Convert to fraction form
    1,070,410.45/1,475,737.41 = 850,377.80/x
  3. Step 3: Cross multiply
    1,070,410.45x = 1,475,737.41 × 850,377.80
  4. Step 4: Simplify right side
    1,070,410.45x = 1,254,934,330,530.10
  5. Step 5: Solve for x
    x = 1,254,934,330,530.10/1,070,410.45
  6. Step 6: Final answer
    x = 1,172,386.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.