Home / 1,170,921-1,756,385.82-284,457

Finding the Fourth Proportional to 1,170,921, 1,756,385.82 and 284,457

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Solution

The fourth proportional to 1,170,921, 1,756,385.82 and 284,457 is: 426,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,921 : 1,756,385.82 = 284,457 : x
  2. Step 2: Convert to fraction form
    1,170,921/1,756,385.82 = 284,457/x
  3. Step 3: Cross multiply
    1,170,921x = 1,756,385.82 × 284,457
  4. Step 4: Simplify right side
    1,170,921x = 499,616,241,199.74
  5. Step 5: Solve for x
    x = 499,616,241,199.74/1,170,921
  6. Step 6: Final answer
    x = 426,686.55

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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.