Home / 1,020,820.32-1,531,113.84-272,924.64

Finding the Fourth Proportional to 1,020,820.32, 1,531,113.84 and 272,924.64

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Solution

The fourth proportional to 1,020,820.32, 1,531,113.84 and 272,924.64 is: 409,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,820.32 : 1,531,113.84 = 272,924.64 : x
  2. Step 2: Convert to fraction form
    1,020,820.32/1,531,113.84 = 272,924.64/x
  3. Step 3: Cross multiply
    1,020,820.32x = 1,531,113.84 × 272,924.64
  4. Step 4: Simplify right side
    1,020,820.32x = 417,878,693,581.02
  5. Step 5: Solve for x
    x = 417,878,693,581.02/1,020,820.32
  6. Step 6: Final answer
    x = 409,355.78

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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.