Home / 1,123,659.90-1,685,539.07-325,022.17

Finding the Fourth Proportional to 1,123,659.90, 1,685,539.07 and 325,022.17

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Solution

The fourth proportional to 1,123,659.90, 1,685,539.07 and 325,022.17 is: 487,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,659.90 : 1,685,539.07 = 325,022.17 : x
  2. Step 2: Convert to fraction form
    1,123,659.90/1,685,539.07 = 325,022.17/x
  3. Step 3: Cross multiply
    1,123,659.90x = 1,685,539.07 × 325,022.17
  4. Step 4: Simplify right side
    1,123,659.90x = 547,837,566,151.18
  5. Step 5: Solve for x
    x = 547,837,566,151.18/1,123,659.90
  6. Step 6: Final answer
    x = 487,547.49

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1.5x scale

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.