Home / 1,490,186.82-2,235,300.75-425,228.57

Finding the Fourth Proportional to 1,490,186.82, 2,235,300.75 and 425,228.57

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Solution

The fourth proportional to 1,490,186.82, 2,235,300.75 and 425,228.57 is: 637,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,186.82 : 2,235,300.75 = 425,228.57 : x
  2. Step 2: Convert to fraction form
    1,490,186.82/2,235,300.75 = 425,228.57/x
  3. Step 3: Cross multiply
    1,490,186.82x = 2,235,300.75 × 425,228.57
  4. Step 4: Simplify right side
    1,490,186.82x = 950,513,730,265.92
  5. Step 5: Solve for x
    x = 950,513,730,265.92/1,490,186.82
  6. Step 6: Final answer
    x = 637,848.70

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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.