Home / 1,755,018.60-2,631,215.70-743,312.40

Finding the Fourth Proportional to 1,755,018.60, 2,631,215.70 and 743,312.40

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Solution

The fourth proportional to 1,755,018.60, 2,631,215.70 and 743,312.40 is: 1,114,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,018.60 : 2,631,215.70 = 743,312.40 : x
  2. Step 2: Convert to fraction form
    1,755,018.60/2,631,215.70 = 743,312.40/x
  3. Step 3: Cross multiply
    1,755,018.60x = 2,631,215.70 × 743,312.40
  4. Step 4: Simplify right side
    1,755,018.60x = 1,955,815,256,884.68
  5. Step 5: Solve for x
    x = 1,955,815,256,884.68/1,755,018.60
  6. Step 6: Final answer
    x = 1,114,412.84

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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.