Home / 1,313,731.80-1,967,487.30-890,717.40

Finding the Fourth Proportional to 1,313,731.80, 1,967,487.30 and 890,717.40

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Solution

The fourth proportional to 1,313,731.80, 1,967,487.30 and 890,717.40 is: 1,333,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,731.80 : 1,967,487.30 = 890,717.40 : x
  2. Step 2: Convert to fraction form
    1,313,731.80/1,967,487.30 = 890,717.40/x
  3. Step 3: Cross multiply
    1,313,731.80x = 1,967,487.30 × 890,717.40
  4. Step 4: Simplify right side
    1,313,731.80x = 1,752,475,172,389.02
  5. Step 5: Solve for x
    x = 1,752,475,172,389.02/1,313,731.80
  6. Step 6: Final answer
    x = 1,333,967.23

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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.