Home / 1,000,130.09-1,500,650.56-423,911.29

Finding the Fourth Proportional to 1,000,130.09, 1,500,650.56 and 423,911.29

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Solution

The fourth proportional to 1,000,130.09, 1,500,650.56 and 423,911.29 is: 636,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,130.09 : 1,500,650.56 = 423,911.29 : x
  2. Step 2: Convert to fraction form
    1,000,130.09/1,500,650.56 = 423,911.29/x
  3. Step 3: Cross multiply
    1,000,130.09x = 1,500,650.56 × 423,911.29
  4. Step 4: Simplify right side
    1,000,130.09x = 636,142,709,917.42
  5. Step 5: Solve for x
    x = 636,142,709,917.42/1,000,130.09
  6. Step 6: Final answer
    x = 636,059.97

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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.