Home / 1,274,547.79-1,758,922.35-693,742.78

Finding the Fourth Proportional to 1,274,547.79, 1,758,922.35 and 693,742.78

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Solution

The fourth proportional to 1,274,547.79, 1,758,922.35 and 693,742.78 is: 957,390.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,547.79 : 1,758,922.35 = 693,742.78 : x
  2. Step 2: Convert to fraction form
    1,274,547.79/1,758,922.35 = 693,742.78/x
  3. Step 3: Cross multiply
    1,274,547.79x = 1,758,922.35 × 693,742.78
  4. Step 4: Simplify right side
    1,274,547.79x = 1,220,239,680,490.25
  5. Step 5: Solve for x
    x = 1,220,239,680,490.25/1,274,547.79
  6. Step 6: Final answer
    x = 957,390.29

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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.