Home / 1,437,264.61-2,155,897.82-806,621.29

Finding the Fourth Proportional to 1,437,264.61, 2,155,897.82 and 806,621.29

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Solution

The fourth proportional to 1,437,264.61, 2,155,897.82 and 806,621.29 is: 1,209,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,264.61 : 2,155,897.82 = 806,621.29 : x
  2. Step 2: Convert to fraction form
    1,437,264.61/2,155,897.82 = 806,621.29/x
  3. Step 3: Cross multiply
    1,437,264.61x = 2,155,897.82 × 806,621.29
  4. Step 4: Simplify right side
    1,437,264.61x = 1,738,993,077,303.40
  5. Step 5: Solve for x
    x = 1,738,993,077,303.40/1,437,264.61
  6. Step 6: Final answer
    x = 1,209,932.44

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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.