Home / 1,100,685.03-1,651,191.59-390,653.61

Finding the Fourth Proportional to 1,100,685.03, 1,651,191.59 and 390,653.61

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Solution

The fourth proportional to 1,100,685.03, 1,651,191.59 and 390,653.61 is: 586,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,685.03 : 1,651,191.59 = 390,653.61 : x
  2. Step 2: Convert to fraction form
    1,100,685.03/1,651,191.59 = 390,653.61/x
  3. Step 3: Cross multiply
    1,100,685.03x = 1,651,191.59 × 390,653.61
  4. Step 4: Simplify right side
    1,100,685.03x = 645,043,955,435.14
  5. Step 5: Solve for x
    x = 645,043,955,435.14/1,100,685.03
  6. Step 6: Final answer
    x = 586,038.64

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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.