Home / 1,780,797.04-2,671,216.08-643,645.60

Finding the Fourth Proportional to 1,780,797.04, 2,671,216.08 and 643,645.60

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Solution

The fourth proportional to 1,780,797.04, 2,671,216.08 and 643,645.60 is: 965,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,797.04 : 2,671,216.08 = 643,645.60 : x
  2. Step 2: Convert to fraction form
    1,780,797.04/2,671,216.08 = 643,645.60/x
  3. Step 3: Cross multiply
    1,780,797.04x = 2,671,216.08 × 643,645.60
  4. Step 4: Simplify right side
    1,780,797.04x = 1,719,316,476,541.25
  5. Step 5: Solve for x
    x = 1,719,316,476,541.25/1,780,797.04
  6. Step 6: Final answer
    x = 965,475.82

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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.