Home / 1,355,874.66-1,871,101.89-744,037.74

Finding the Fourth Proportional to 1,355,874.66, 1,871,101.89 and 744,037.74

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Solution

The fourth proportional to 1,355,874.66, 1,871,101.89 and 744,037.74 is: 1,026,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,874.66 : 1,871,101.89 = 744,037.74 : x
  2. Step 2: Convert to fraction form
    1,355,874.66/1,871,101.89 = 744,037.74/x
  3. Step 3: Cross multiply
    1,355,874.66x = 1,871,101.89 × 744,037.74
  4. Step 4: Simplify right side
    1,355,874.66x = 1,392,170,421,545.33
  5. Step 5: Solve for x
    x = 1,392,170,421,545.33/1,355,874.66
  6. Step 6: Final answer
    x = 1,026,769.26

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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.