Home / 1,139,570.70-1,571,068.62-730,963.18

Finding the Fourth Proportional to 1,139,570.70, 1,571,068.62 and 730,963.18

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Solution

The fourth proportional to 1,139,570.70, 1,571,068.62 and 730,963.18 is: 1,007,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,570.70 : 1,571,068.62 = 730,963.18 : x
  2. Step 2: Convert to fraction form
    1,139,570.70/1,571,068.62 = 730,963.18/x
  3. Step 3: Cross multiply
    1,139,570.70x = 1,571,068.62 × 730,963.18
  4. Step 4: Simplify right side
    1,139,570.70x = 1,148,393,314,473.41
  5. Step 5: Solve for x
    x = 1,148,393,314,473.41/1,139,570.70
  6. Step 6: Final answer
    x = 1,007,742.05

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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.