Home / 1,098,201.18-1,647,547.80-424,222.45

Finding the Fourth Proportional to 1,098,201.18, 1,647,547.80 and 424,222.45

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Solution

The fourth proportional to 1,098,201.18, 1,647,547.80 and 424,222.45 is: 636,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,201.18 : 1,647,547.80 = 424,222.45 : x
  2. Step 2: Convert to fraction form
    1,098,201.18/1,647,547.80 = 424,222.45/x
  3. Step 3: Cross multiply
    1,098,201.18x = 1,647,547.80 × 424,222.45
  4. Step 4: Simplify right side
    1,098,201.18x = 698,926,764,208.11
  5. Step 5: Solve for x
    x = 698,926,764,208.11/1,098,201.18
  6. Step 6: Final answer
    x = 636,428.71

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1.5x scale

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.