Home / 1,041,621.28-1,437,448.80-611,919.52

Finding the Fourth Proportional to 1,041,621.28, 1,437,448.80 and 611,919.52

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Solution

The fourth proportional to 1,041,621.28, 1,437,448.80 and 611,919.52 is: 844,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,621.28 : 1,437,448.80 = 611,919.52 : x
  2. Step 2: Convert to fraction form
    1,041,621.28/1,437,448.80 = 611,919.52/x
  3. Step 3: Cross multiply
    1,041,621.28x = 1,437,448.80 × 611,919.52
  4. Step 4: Simplify right side
    1,041,621.28x = 879,602,979,720.58
  5. Step 5: Solve for x
    x = 879,602,979,720.58/1,041,621.28
  6. Step 6: Final answer
    x = 844,455.65

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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.