Home / 1,435,399.40-2,152,710.30-424,519.40

Finding the Fourth Proportional to 1,435,399.40, 2,152,710.30 and 424,519.40

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Solution

The fourth proportional to 1,435,399.40, 2,152,710.30 and 424,519.40 is: 636,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,399.40 : 2,152,710.30 = 424,519.40 : x
  2. Step 2: Convert to fraction form
    1,435,399.40/2,152,710.30 = 424,519.40/x
  3. Step 3: Cross multiply
    1,435,399.40x = 2,152,710.30 × 424,519.40
  4. Step 4: Simplify right side
    1,435,399.40x = 913,867,284,929.82
  5. Step 5: Solve for x
    x = 913,867,284,929.82/1,435,399.40
  6. Step 6: Final answer
    x = 636,664.11

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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.