Home / 1,248,662.03-1,872,916.16-768,981.24

Finding the Fourth Proportional to 1,248,662.03, 1,872,916.16 and 768,981.24

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Solution

The fourth proportional to 1,248,662.03, 1,872,916.16 and 768,981.24 is: 1,153,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,662.03 : 1,872,916.16 = 768,981.24 : x
  2. Step 2: Convert to fraction form
    1,248,662.03/1,872,916.16 = 768,981.24/x
  3. Step 3: Cross multiply
    1,248,662.03x = 1,872,916.16 × 768,981.24
  4. Step 4: Simplify right side
    1,248,662.03x = 1,440,237,387,287.93
  5. Step 5: Solve for x
    x = 1,440,237,387,287.93/1,248,662.03
  6. Step 6: Final answer
    x = 1,153,424.51

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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.