Home / 1,317,317.84-1,817,852.32-744,345.72

Finding the Fourth Proportional to 1,317,317.84, 1,817,852.32 and 744,345.72

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Solution

The fourth proportional to 1,317,317.84, 1,817,852.32 and 744,345.72 is: 1,027,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,317.84 : 1,817,852.32 = 744,345.72 : x
  2. Step 2: Convert to fraction form
    1,317,317.84/1,817,852.32 = 744,345.72/x
  3. Step 3: Cross multiply
    1,317,317.84x = 1,817,852.32 × 744,345.72
  4. Step 4: Simplify right side
    1,317,317.84x = 1,353,110,593,984.07
  5. Step 5: Solve for x
    x = 1,353,110,593,984.07/1,317,317.84
  6. Step 6: Final answer
    x = 1,027,170.93

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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.