Home / 1,007,639.50-1,390,536.40-554,927.26

Finding the Fourth Proportional to 1,007,639.50, 1,390,536.40 and 554,927.26

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Solution

The fourth proportional to 1,007,639.50, 1,390,536.40 and 554,927.26 is: 765,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,639.50 : 1,390,536.40 = 554,927.26 : x
  2. Step 2: Convert to fraction form
    1,007,639.50/1,390,536.40 = 554,927.26/x
  3. Step 3: Cross multiply
    1,007,639.50x = 1,390,536.40 × 554,927.26
  4. Step 4: Simplify right side
    1,007,639.50x = 771,646,554,382.26
  5. Step 5: Solve for x
    x = 771,646,554,382.26/1,007,639.50
  6. Step 6: Final answer
    x = 765,796.25

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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.