Home / 1,678,937.63-2,316,950.33-915,007.59

Finding the Fourth Proportional to 1,678,937.63, 2,316,950.33 and 915,007.59

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Solution

The fourth proportional to 1,678,937.63, 2,316,950.33 and 915,007.59 is: 1,262,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,937.63 : 2,316,950.33 = 915,007.59 : x
  2. Step 2: Convert to fraction form
    1,678,937.63/2,316,950.33 = 915,007.59/x
  3. Step 3: Cross multiply
    1,678,937.63x = 2,316,950.33 × 915,007.59
  4. Step 4: Simplify right side
    1,678,937.63x = 2,120,027,133,027.97
  5. Step 5: Solve for x
    x = 2,120,027,133,027.97/1,678,937.63
  6. Step 6: Final answer
    x = 1,262,719.41

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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.