Home / 1,775,131.50-2,449,681.47-970,315.50

Finding the Fourth Proportional to 1,775,131.50, 2,449,681.47 and 970,315.50

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Solution

The fourth proportional to 1,775,131.50, 2,449,681.47 and 970,315.50 is: 1,339,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,131.50 : 2,449,681.47 = 970,315.50 : x
  2. Step 2: Convert to fraction form
    1,775,131.50/2,449,681.47 = 970,315.50/x
  3. Step 3: Cross multiply
    1,775,131.50x = 2,449,681.47 × 970,315.50
  4. Step 4: Simplify right side
    1,775,131.50x = 2,376,963,900,403.79
  5. Step 5: Solve for x
    x = 2,376,963,900,403.79/1,775,131.50
  6. Step 6: Final answer
    x = 1,339,035.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.