Home / 1,490,082.57-2,233,373.18-689,673.51

Finding the Fourth Proportional to 1,490,082.57, 2,233,373.18 and 689,673.51

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Solution

The fourth proportional to 1,490,082.57, 2,233,373.18 and 689,673.51 is: 1,033,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,082.57 : 2,233,373.18 = 689,673.51 : x
  2. Step 2: Convert to fraction form
    1,490,082.57/2,233,373.18 = 689,673.51/x
  3. Step 3: Cross multiply
    1,490,082.57x = 2,233,373.18 × 689,673.51
  4. Step 4: Simplify right side
    1,490,082.57x = 1,540,298,316,742.09
  5. Step 5: Solve for x
    x = 1,540,298,316,742.09/1,490,082.57
  6. Step 6: Final answer
    x = 1,033,699.98

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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.