Home / 1,255,809.62-1,881,547.89-687,599.69

Finding the Fourth Proportional to 1,255,809.62, 1,881,547.89 and 687,599.69

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Solution

The fourth proportional to 1,255,809.62, 1,881,547.89 and 687,599.69 is: 1,030,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,809.62 : 1,881,547.89 = 687,599.69 : x
  2. Step 2: Convert to fraction form
    1,255,809.62/1,881,547.89 = 687,599.69/x
  3. Step 3: Cross multiply
    1,255,809.62x = 1,881,547.89 × 687,599.69
  4. Step 4: Simplify right side
    1,255,809.62x = 1,293,751,733,897.92
  5. Step 5: Solve for x
    x = 1,293,751,733,897.92/1,255,809.62
  6. Step 6: Final answer
    x = 1,030,213.27

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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.