Home / 1,155,193.65-1,594,162.08-645,896.03

Finding the Fourth Proportional to 1,155,193.65, 1,594,162.08 and 645,896.03

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Solution

The fourth proportional to 1,155,193.65, 1,594,162.08 and 645,896.03 is: 891,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,193.65 : 1,594,162.08 = 645,896.03 : x
  2. Step 2: Convert to fraction form
    1,155,193.65/1,594,162.08 = 645,896.03/x
  3. Step 3: Cross multiply
    1,155,193.65x = 1,594,162.08 × 645,896.03
  4. Step 4: Simplify right side
    1,155,193.65x = 1,029,662,958,648.54
  5. Step 5: Solve for x
    x = 1,029,662,958,648.54/1,155,193.65
  6. Step 6: Final answer
    x = 891,333.64

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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.