Home / 1,001,790-1,382,470.20-549,071.28

Finding the Fourth Proportional to 1,001,790, 1,382,470.20 and 549,071.28

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Solution

The fourth proportional to 1,001,790, 1,382,470.20 and 549,071.28 is: 757,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,790 : 1,382,470.20 = 549,071.28 : x
  2. Step 2: Convert to fraction form
    1,001,790/1,382,470.20 = 549,071.28/x
  3. Step 3: Cross multiply
    1,001,790x = 1,382,470.20 × 549,071.28
  4. Step 4: Simplify right side
    1,001,790x = 759,074,682,275.86
  5. Step 5: Solve for x
    x = 759,074,682,275.86/1,001,790
  6. Step 6: Final answer
    x = 757,718.37

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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.