Home / 1,431,938.32-2,148,502.25-579,612.51

Finding the Fourth Proportional to 1,431,938.32, 2,148,502.25 and 579,612.51

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Solution

The fourth proportional to 1,431,938.32, 2,148,502.25 and 579,612.51 is: 869,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,938.32 : 2,148,502.25 = 579,612.51 : x
  2. Step 2: Convert to fraction form
    1,431,938.32/2,148,502.25 = 579,612.51/x
  3. Step 3: Cross multiply
    1,431,938.32x = 2,148,502.25 × 579,612.51
  4. Step 4: Simplify right side
    1,431,938.32x = 1,245,298,783,312.18
  5. Step 5: Solve for x
    x = 1,245,298,783,312.18/1,431,938.32
  6. Step 6: Final answer
    x = 869,659.52

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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.