Home / 1,386,653.73-2,079,980.63-375,775.65

Finding the Fourth Proportional to 1,386,653.73, 2,079,980.63 and 375,775.65

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Solution

The fourth proportional to 1,386,653.73, 2,079,980.63 and 375,775.65 is: 563,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,653.73 : 2,079,980.63 = 375,775.65 : x
  2. Step 2: Convert to fraction form
    1,386,653.73/2,079,980.63 = 375,775.65/x
  3. Step 3: Cross multiply
    1,386,653.73x = 2,079,980.63 × 375,775.65
  4. Step 4: Simplify right side
    1,386,653.73x = 781,606,062,782.72
  5. Step 5: Solve for x
    x = 781,606,062,782.72/1,386,653.73
  6. Step 6: Final answer
    x = 563,663.48

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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.