Home / 1,668,639.42-2,302,727.43-904,693.32

Finding the Fourth Proportional to 1,668,639.42, 2,302,727.43 and 904,693.32

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Solution

The fourth proportional to 1,668,639.42, 2,302,727.43 and 904,693.32 is: 1,248,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,639.42 : 2,302,727.43 = 904,693.32 : x
  2. Step 2: Convert to fraction form
    1,668,639.42/2,302,727.43 = 904,693.32/x
  3. Step 3: Cross multiply
    1,668,639.42x = 2,302,727.43 × 904,693.32
  4. Step 4: Simplify right side
    1,668,639.42x = 2,083,262,123,701.77
  5. Step 5: Solve for x
    x = 2,083,262,123,701.77/1,668,639.42
  6. Step 6: Final answer
    x = 1,248,479.51

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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.