Home / 1,330,829.80-1,996,503.90-384,231.40

Finding the Fourth Proportional to 1,330,829.80, 1,996,503.90 and 384,231.40

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Solution

The fourth proportional to 1,330,829.80, 1,996,503.90 and 384,231.40 is: 576,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,829.80 : 1,996,503.90 = 384,231.40 : x
  2. Step 2: Convert to fraction form
    1,330,829.80/1,996,503.90 = 384,231.40/x
  3. Step 3: Cross multiply
    1,330,829.80x = 1,996,503.90 × 384,231.40
  4. Step 4: Simplify right side
    1,330,829.80x = 767,119,488,602.46
  5. Step 5: Solve for x
    x = 767,119,488,602.46/1,330,829.80
  6. Step 6: Final answer
    x = 576,421.94

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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.