Home / 1,345,069.80-2,017,604.70-866,772.90

Finding the Fourth Proportional to 1,345,069.80, 2,017,604.70 and 866,772.90

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Solution

The fourth proportional to 1,345,069.80, 2,017,604.70 and 866,772.90 is: 1,300,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,069.80 : 2,017,604.70 = 866,772.90 : x
  2. Step 2: Convert to fraction form
    1,345,069.80/2,017,604.70 = 866,772.90/x
  3. Step 3: Cross multiply
    1,345,069.80x = 2,017,604.70 × 866,772.90
  4. Step 4: Simplify right side
    1,345,069.80x = 1,748,805,076,872.63
  5. Step 5: Solve for x
    x = 1,748,805,076,872.63/1,345,069.80
  6. Step 6: Final answer
    x = 1,300,159.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.