Home / 1,243,746.85-1,717,306.01-1,223,883.88

Finding the Fourth Proportional to 1,243,746.85, 1,717,306.01 and 1,223,883.88

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Solution

The fourth proportional to 1,243,746.85, 1,717,306.01 and 1,223,883.88 is: 1,689,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,746.85 : 1,717,306.01 = 1,223,883.88 : x
  2. Step 2: Convert to fraction form
    1,243,746.85/1,717,306.01 = 1,223,883.88/x
  3. Step 3: Cross multiply
    1,243,746.85x = 1,717,306.01 × 1,223,883.88
  4. Step 4: Simplify right side
    1,243,746.85x = 2,101,783,136,843.00
  5. Step 5: Solve for x
    x = 2,101,783,136,843.00/1,243,746.85
  6. Step 6: Final answer
    x = 1,689,880.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.