Home / 1,316,489.16-1,974,801.48-369,933.72

Finding the Fourth Proportional to 1,316,489.16, 1,974,801.48 and 369,933.72

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Solution

The fourth proportional to 1,316,489.16, 1,974,801.48 and 369,933.72 is: 554,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,489.16 : 1,974,801.48 = 369,933.72 : x
  2. Step 2: Convert to fraction form
    1,316,489.16/1,974,801.48 = 369,933.72/x
  3. Step 3: Cross multiply
    1,316,489.16x = 1,974,801.48 × 369,933.72
  4. Step 4: Simplify right side
    1,316,489.16x = 730,545,657,757.91
  5. Step 5: Solve for x
    x = 730,545,657,757.91/1,316,489.16
  6. Step 6: Final answer
    x = 554,919.61

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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.