Home / 1,316,372.78-1,974,635.71-369,817.31

Finding the Fourth Proportional to 1,316,372.78, 1,974,635.71 and 369,817.31

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Solution

The fourth proportional to 1,316,372.78, 1,974,635.71 and 369,817.31 is: 554,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,372.78 : 1,974,635.71 = 369,817.31 : x
  2. Step 2: Convert to fraction form
    1,316,372.78/1,974,635.71 = 369,817.31/x
  3. Step 3: Cross multiply
    1,316,372.78x = 1,974,635.71 × 369,817.31
  4. Step 4: Simplify right side
    1,316,372.78x = 730,254,462,490.09
  5. Step 5: Solve for x
    x = 730,254,462,490.09/1,316,372.78
  6. Step 6: Final answer
    x = 554,747.47

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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.