Home / 1,509,440.91-2,083,066.48-821,151.46

Finding the Fourth Proportional to 1,509,440.91, 2,083,066.48 and 821,151.46

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Solution

The fourth proportional to 1,509,440.91, 2,083,066.48 and 821,151.46 is: 1,133,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,440.91 : 2,083,066.48 = 821,151.46 : x
  2. Step 2: Convert to fraction form
    1,509,440.91/2,083,066.48 = 821,151.46/x
  3. Step 3: Cross multiply
    1,509,440.91x = 2,083,066.48 × 821,151.46
  4. Step 4: Simplify right side
    1,509,440.91x = 1,710,513,081,329.06
  5. Step 5: Solve for x
    x = 1,710,513,081,329.06/1,509,440.91
  6. Step 6: Final answer
    x = 1,133,209.70

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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.