Home / 1,547,563.71-2,135,704.61-859,235.60

Finding the Fourth Proportional to 1,547,563.71, 2,135,704.61 and 859,235.60

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Solution

The fourth proportional to 1,547,563.71, 2,135,704.61 and 859,235.60 is: 1,185,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,563.71 : 2,135,704.61 = 859,235.60 : x
  2. Step 2: Convert to fraction form
    1,547,563.71/2,135,704.61 = 859,235.60/x
  3. Step 3: Cross multiply
    1,547,563.71x = 2,135,704.61 × 859,235.60
  4. Step 4: Simplify right side
    1,547,563.71x = 1,835,073,431,996.12
  5. Step 5: Solve for x
    x = 1,835,073,431,996.12/1,547,563.71
  6. Step 6: Final answer
    x = 1,185,782.16

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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.