Home / 1,097,488.90-1,643,280.90-859,324.60

Finding the Fourth Proportional to 1,097,488.90, 1,643,280.90 and 859,324.60

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Solution

The fourth proportional to 1,097,488.90, 1,643,280.90 and 859,324.60 is: 1,286,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,488.90 : 1,643,280.90 = 859,324.60 : x
  2. Step 2: Convert to fraction form
    1,097,488.90/1,643,280.90 = 859,324.60/x
  3. Step 3: Cross multiply
    1,097,488.90x = 1,643,280.90 × 859,324.60
  4. Step 4: Simplify right side
    1,097,488.90x = 1,412,111,702,080.14
  5. Step 5: Solve for x
    x = 1,412,111,702,080.14/1,097,488.90
  6. Step 6: Final answer
    x = 1,286,675.16

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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.