Home / 1,316,389.84-1,974,661.32-369,834.38

Finding the Fourth Proportional to 1,316,389.84, 1,974,661.32 and 369,834.38

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Solution

The fourth proportional to 1,316,389.84, 1,974,661.32 and 369,834.38 is: 554,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,389.84 : 1,974,661.32 = 369,834.38 : x
  2. Step 2: Convert to fraction form
    1,316,389.84/1,974,661.32 = 369,834.38/x
  3. Step 3: Cross multiply
    1,316,389.84x = 1,974,661.32 × 369,834.38
  4. Step 4: Simplify right side
    1,316,389.84x = 730,297,644,992.18
  5. Step 5: Solve for x
    x = 730,297,644,992.18/1,316,389.84
  6. Step 6: Final answer
    x = 554,773.08

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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.