Home / 1,515,919.32-2,272,671.54-875,496.60

Finding the Fourth Proportional to 1,515,919.32, 2,272,671.54 and 875,496.60

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Solution

The fourth proportional to 1,515,919.32, 2,272,671.54 and 875,496.60 is: 1,312,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,919.32 : 2,272,671.54 = 875,496.60 : x
  2. Step 2: Convert to fraction form
    1,515,919.32/2,272,671.54 = 875,496.60/x
  3. Step 3: Cross multiply
    1,515,919.32x = 2,272,671.54 × 875,496.60
  4. Step 4: Simplify right side
    1,515,919.32x = 1,989,716,206,186.76
  5. Step 5: Solve for x
    x = 1,989,716,206,186.76/1,515,919.32
  6. Step 6: Final answer
    x = 1,312,547.56

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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.