Home / 1,010,528.18-1,394,531.40-551,643.06

Finding the Fourth Proportional to 1,010,528.18, 1,394,531.40 and 551,643.06

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Solution

The fourth proportional to 1,010,528.18, 1,394,531.40 and 551,643.06 is: 761,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,528.18 : 1,394,531.40 = 551,643.06 : x
  2. Step 2: Convert to fraction form
    1,010,528.18/1,394,531.40 = 551,643.06/x
  3. Step 3: Cross multiply
    1,010,528.18x = 1,394,531.40 × 551,643.06
  4. Step 4: Simplify right side
    1,010,528.18x = 769,283,568,762.08
  5. Step 5: Solve for x
    x = 769,283,568,762.08/1,010,528.18
  6. Step 6: Final answer
    x = 761,268.79

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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.