Home / 1,417,273.32-1,955,848.65-772,698.21

Finding the Fourth Proportional to 1,417,273.32, 1,955,848.65 and 772,698.21

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Solution

The fourth proportional to 1,417,273.32, 1,955,848.65 and 772,698.21 is: 1,066,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,273.32 : 1,955,848.65 = 772,698.21 : x
  2. Step 2: Convert to fraction form
    1,417,273.32/1,955,848.65 = 772,698.21/x
  3. Step 3: Cross multiply
    1,417,273.32x = 1,955,848.65 × 772,698.21
  4. Step 4: Simplify right side
    1,417,273.32x = 1,511,280,750,885.92
  5. Step 5: Solve for x
    x = 1,511,280,750,885.92/1,417,273.32
  6. Step 6: Final answer
    x = 1,066,329.78

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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.