Home / 1,281,547.78-1,768,643.03-737,859.58

Finding the Fourth Proportional to 1,281,547.78, 1,768,643.03 and 737,859.58

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Solution

The fourth proportional to 1,281,547.78, 1,768,643.03 and 737,859.58 is: 1,018,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,547.78 : 1,768,643.03 = 737,859.58 : x
  2. Step 2: Convert to fraction form
    1,281,547.78/1,768,643.03 = 737,859.58/x
  3. Step 3: Cross multiply
    1,281,547.78x = 1,768,643.03 × 737,859.58
  4. Step 4: Simplify right side
    1,281,547.78x = 1,305,010,200,708.77
  5. Step 5: Solve for x
    x = 1,305,010,200,708.77/1,281,547.78
  6. Step 6: Final answer
    x = 1,018,307.88

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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.