Home / 1,434,355.82-2,151,031.70-423,209.42

Finding the Fourth Proportional to 1,434,355.82, 2,151,031.70 and 423,209.42

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Solution

The fourth proportional to 1,434,355.82, 2,151,031.70 and 423,209.42 is: 634,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,355.82 : 2,151,031.70 = 423,209.42 : x
  2. Step 2: Convert to fraction form
    1,434,355.82/2,151,031.70 = 423,209.42/x
  3. Step 3: Cross multiply
    1,434,355.82x = 2,151,031.70 × 423,209.42
  4. Step 4: Simplify right side
    1,434,355.82x = 910,336,878,158.61
  5. Step 5: Solve for x
    x = 910,336,878,158.61/1,434,355.82
  6. Step 6: Final answer
    x = 634,666.01

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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.