Home / 1,738,642.56-2,607,965.28-476,479.68

Finding the Fourth Proportional to 1,738,642.56, 2,607,965.28 and 476,479.68

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Solution

The fourth proportional to 1,738,642.56, 2,607,965.28 and 476,479.68 is: 714,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,642.56 : 2,607,965.28 = 476,479.68 : x
  2. Step 2: Convert to fraction form
    1,738,642.56/2,607,965.28 = 476,479.68/x
  3. Step 3: Cross multiply
    1,738,642.56x = 2,607,965.28 × 476,479.68
  4. Step 4: Simplify right side
    1,738,642.56x = 1,242,642,462,065.51
  5. Step 5: Solve for x
    x = 1,242,642,462,065.51/1,738,642.56
  6. Step 6: Final answer
    x = 714,719.91

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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.