Home / 1,328,623.40-1,992,935.10-974,329.40

Finding the Fourth Proportional to 1,328,623.40, 1,992,935.10 and 974,329.40

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Solution

The fourth proportional to 1,328,623.40, 1,992,935.10 and 974,329.40 is: 1,461,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,623.40 : 1,992,935.10 = 974,329.40 : x
  2. Step 2: Convert to fraction form
    1,328,623.40/1,992,935.10 = 974,329.40/x
  3. Step 3: Cross multiply
    1,328,623.40x = 1,992,935.10 × 974,329.40
  4. Step 4: Simplify right side
    1,328,623.40x = 1,941,775,260,221.94
  5. Step 5: Solve for x
    x = 1,941,775,260,221.94/1,328,623.40
  6. Step 6: Final answer
    x = 1,461,494.10

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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.