Home / 1,058,547.54-1,587,818.84-459,431.04

Finding the Fourth Proportional to 1,058,547.54, 1,587,818.84 and 459,431.04

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Solution

The fourth proportional to 1,058,547.54, 1,587,818.84 and 459,431.04 is: 689,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,547.54 : 1,587,818.84 = 459,431.04 : x
  2. Step 2: Convert to fraction form
    1,058,547.54/1,587,818.84 = 459,431.04/x
  3. Step 3: Cross multiply
    1,058,547.54x = 1,587,818.84 × 459,431.04
  4. Step 4: Simplify right side
    1,058,547.54x = 729,493,260,992.79
  5. Step 5: Solve for x
    x = 729,493,260,992.79/1,058,547.54
  6. Step 6: Final answer
    x = 689,145.49

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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.