Home / 1,124,346.42-1,551,636.45-640,983.06

Finding the Fourth Proportional to 1,124,346.42, 1,551,636.45 and 640,983.06

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Solution

The fourth proportional to 1,124,346.42, 1,551,636.45 and 640,983.06 is: 884,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,346.42 : 1,551,636.45 = 640,983.06 : x
  2. Step 2: Convert to fraction form
    1,124,346.42/1,551,636.45 = 640,983.06/x
  3. Step 3: Cross multiply
    1,124,346.42x = 1,551,636.45 × 640,983.06
  4. Step 4: Simplify right side
    1,124,346.42x = 994,572,679,728.54
  5. Step 5: Solve for x
    x = 994,572,679,728.54/1,124,346.42
  6. Step 6: Final answer
    x = 884,578.51

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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.