Home / 1,754,483.55-2,421,052.16-990,612.51

Finding the Fourth Proportional to 1,754,483.55, 2,421,052.16 and 990,612.51

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Solution

The fourth proportional to 1,754,483.55, 2,421,052.16 and 990,612.51 is: 1,366,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,483.55 : 2,421,052.16 = 990,612.51 : x
  2. Step 2: Convert to fraction form
    1,754,483.55/2,421,052.16 = 990,612.51/x
  3. Step 3: Cross multiply
    1,754,483.55x = 2,421,052.16 × 990,612.51
  4. Step 4: Simplify right side
    1,754,483.55x = 2,398,324,557,058.52
  5. Step 5: Solve for x
    x = 2,398,324,557,058.52/1,754,483.55
  6. Step 6: Final answer
    x = 1,366,968.96

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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.