Home / 1,103,143.19-1,521,899.84-637,911.10

Finding the Fourth Proportional to 1,103,143.19, 1,521,899.84 and 637,911.10

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Solution

The fourth proportional to 1,103,143.19, 1,521,899.84 and 637,911.10 is: 880,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,143.19 : 1,521,899.84 = 637,911.10 : x
  2. Step 2: Convert to fraction form
    1,103,143.19/1,521,899.84 = 637,911.10/x
  3. Step 3: Cross multiply
    1,103,143.19x = 1,521,899.84 × 637,911.10
  4. Step 4: Simplify right side
    1,103,143.19x = 970,836,792,372.44
  5. Step 5: Solve for x
    x = 970,836,792,372.44/1,103,143.19
  6. Step 6: Final answer
    x = 880,064.17

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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.