Home / 1,007,477.16-1,391,242.10-640,073.04

Finding the Fourth Proportional to 1,007,477.16, 1,391,242.10 and 640,073.04

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Solution

The fourth proportional to 1,007,477.16, 1,391,242.10 and 640,073.04 is: 883,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,477.16 : 1,391,242.10 = 640,073.04 : x
  2. Step 2: Convert to fraction form
    1,007,477.16/1,391,242.10 = 640,073.04/x
  3. Step 3: Cross multiply
    1,007,477.16x = 1,391,242.10 × 640,073.04
  4. Step 4: Simplify right side
    1,007,477.16x = 890,496,560,322.98
  5. Step 5: Solve for x
    x = 890,496,560,322.98/1,007,477.16
  6. Step 6: Final answer
    x = 883,887.59

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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.