Home / 1,244,089.74-1,715,959.46-830,417.95

Finding the Fourth Proportional to 1,244,089.74, 1,715,959.46 and 830,417.95

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Solution

The fourth proportional to 1,244,089.74, 1,715,959.46 and 830,417.95 is: 1,145,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,089.74 : 1,715,959.46 = 830,417.95 : x
  2. Step 2: Convert to fraction form
    1,244,089.74/1,715,959.46 = 830,417.95/x
  3. Step 3: Cross multiply
    1,244,089.74x = 1,715,959.46 × 830,417.95
  4. Step 4: Simplify right side
    1,244,089.74x = 1,424,963,531,728.39
  5. Step 5: Solve for x
    x = 1,424,963,531,728.39/1,244,089.74
  6. Step 6: Final answer
    x = 1,145,386.45

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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.