Home / 1,696,249.51-2,340,842.45-921,880.31

Finding the Fourth Proportional to 1,696,249.51, 2,340,842.45 and 921,880.31

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Solution

The fourth proportional to 1,696,249.51, 2,340,842.45 and 921,880.31 is: 1,272,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,249.51 : 2,340,842.45 = 921,880.31 : x
  2. Step 2: Convert to fraction form
    1,696,249.51/2,340,842.45 = 921,880.31/x
  3. Step 3: Cross multiply
    1,696,249.51x = 2,340,842.45 × 921,880.31
  4. Step 4: Simplify right side
    1,696,249.51x = 2,157,976,547,153.55
  5. Step 5: Solve for x
    x = 2,157,976,547,153.55/1,696,249.51
  6. Step 6: Final answer
    x = 1,272,204.67

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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.