Home / 1,168,439.60-1,612,451.51-631,895.60

Finding the Fourth Proportional to 1,168,439.60, 1,612,451.51 and 631,895.60

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Solution

The fourth proportional to 1,168,439.60, 1,612,451.51 and 631,895.60 is: 872,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,439.60 : 1,612,451.51 = 631,895.60 : x
  2. Step 2: Convert to fraction form
    1,168,439.60/1,612,451.51 = 631,895.60/x
  3. Step 3: Cross multiply
    1,168,439.60x = 1,612,451.51 × 631,895.60
  4. Step 4: Simplify right side
    1,168,439.60x = 1,018,901,014,382.36
  5. Step 5: Solve for x
    x = 1,018,901,014,382.36/1,168,439.60
  6. Step 6: Final answer
    x = 872,018.56

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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.