Home / 1,478,303.82-2,039,709.84-897,512.22

Finding the Fourth Proportional to 1,478,303.82, 2,039,709.84 and 897,512.22

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Solution

The fourth proportional to 1,478,303.82, 2,039,709.84 and 897,512.22 is: 1,238,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,303.82 : 2,039,709.84 = 897,512.22 : x
  2. Step 2: Convert to fraction form
    1,478,303.82/2,039,709.84 = 897,512.22/x
  3. Step 3: Cross multiply
    1,478,303.82x = 2,039,709.84 × 897,512.22
  4. Step 4: Simplify right side
    1,478,303.82x = 1,830,664,506,654.25
  5. Step 5: Solve for x
    x = 1,830,664,506,654.25/1,478,303.82
  6. Step 6: Final answer
    x = 1,238,354.72

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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.