Home / 1,115,252.55-1,671,938.42-483,690.69

Finding the Fourth Proportional to 1,115,252.55, 1,671,938.42 and 483,690.69

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Solution

The fourth proportional to 1,115,252.55, 1,671,938.42 and 483,690.69 is: 725,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,252.55 : 1,671,938.42 = 483,690.69 : x
  2. Step 2: Convert to fraction form
    1,115,252.55/1,671,938.42 = 483,690.69/x
  3. Step 3: Cross multiply
    1,115,252.55x = 1,671,938.42 × 483,690.69
  4. Step 4: Simplify right side
    1,115,252.55x = 808,701,045,588.86
  5. Step 5: Solve for x
    x = 808,701,045,588.86/1,115,252.55
  6. Step 6: Final answer
    x = 725,128.17

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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.