Home / 1,039,724.40-1,434,943.98-631,892.64

Finding the Fourth Proportional to 1,039,724.40, 1,434,943.98 and 631,892.64

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Solution

The fourth proportional to 1,039,724.40, 1,434,943.98 and 631,892.64 is: 872,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,724.40 : 1,434,943.98 = 631,892.64 : x
  2. Step 2: Convert to fraction form
    1,039,724.40/1,434,943.98 = 631,892.64/x
  3. Step 3: Cross multiply
    1,039,724.40x = 1,434,943.98 × 631,892.64
  4. Step 4: Simplify right side
    1,039,724.40x = 906,730,539,774.31
  5. Step 5: Solve for x
    x = 906,730,539,774.31/1,039,724.40
  6. Step 6: Final answer
    x = 872,087.39

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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.