Home / 1,172,803.28-1,617,468.36-901,528.40

Finding the Fourth Proportional to 1,172,803.28, 1,617,468.36 and 901,528.40

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Solution

The fourth proportional to 1,172,803.28, 1,617,468.36 and 901,528.40 is: 1,243,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,803.28 : 1,617,468.36 = 901,528.40 : x
  2. Step 2: Convert to fraction form
    1,172,803.28/1,617,468.36 = 901,528.40/x
  3. Step 3: Cross multiply
    1,172,803.28x = 1,617,468.36 × 901,528.40
  4. Step 4: Simplify right side
    1,172,803.28x = 1,458,193,662,641.42
  5. Step 5: Solve for x
    x = 1,458,193,662,641.42/1,172,803.28
  6. Step 6: Final answer
    x = 1,243,340.37

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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.