Home / 1,758,446.40-2,637,300.50-495,978.78

Finding the Fourth Proportional to 1,758,446.40, 2,637,300.50 and 495,978.78

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Solution

The fourth proportional to 1,758,446.40, 2,637,300.50 and 495,978.78 is: 743,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,446.40 : 2,637,300.50 = 495,978.78 : x
  2. Step 2: Convert to fraction form
    1,758,446.40/2,637,300.50 = 495,978.78/x
  3. Step 3: Cross multiply
    1,758,446.40x = 2,637,300.50 × 495,978.78
  4. Step 4: Simplify right side
    1,758,446.40x = 1,308,045,084,483.39
  5. Step 5: Solve for x
    x = 1,308,045,084,483.39/1,758,446.40
  6. Step 6: Final answer
    x = 743,864.06

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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.