Home / 1,316,339.56-1,974,583.20-369,636.47

Finding the Fourth Proportional to 1,316,339.56, 1,974,583.20 and 369,636.47

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Solution

The fourth proportional to 1,316,339.56, 1,974,583.20 and 369,636.47 is: 554,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,339.56 : 1,974,583.20 = 369,636.47 : x
  2. Step 2: Convert to fraction form
    1,316,339.56/1,974,583.20 = 369,636.47/x
  3. Step 3: Cross multiply
    1,316,339.56x = 1,974,583.20 × 369,636.47
  4. Step 4: Simplify right side
    1,316,339.56x = 729,877,962,687.21
  5. Step 5: Solve for x
    x = 729,877,962,687.21/1,316,339.56
  6. Step 6: Final answer
    x = 554,475.44

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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.