Home / 1,152,576.26-1,590,554.30-636,330.86

Finding the Fourth Proportional to 1,152,576.26, 1,590,554.30 and 636,330.86

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Solution

The fourth proportional to 1,152,576.26, 1,590,554.30 and 636,330.86 is: 878,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,576.26 : 1,590,554.30 = 636,330.86 : x
  2. Step 2: Convert to fraction form
    1,152,576.26/1,590,554.30 = 636,330.86/x
  3. Step 3: Cross multiply
    1,152,576.26x = 1,590,554.30 × 636,330.86
  4. Step 4: Simplify right side
    1,152,576.26x = 1,012,118,785,595.70
  5. Step 5: Solve for x
    x = 1,012,118,785,595.70/1,152,576.26
  6. Step 6: Final answer
    x = 878,136.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.