Home / 1,145,491.16-1,580,733.30-636,225.80

Finding the Fourth Proportional to 1,145,491.16, 1,580,733.30 and 636,225.80

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Solution

The fourth proportional to 1,145,491.16, 1,580,733.30 and 636,225.80 is: 877,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,491.16 : 1,580,733.30 = 636,225.80 : x
  2. Step 2: Convert to fraction form
    1,145,491.16/1,580,733.30 = 636,225.80/x
  3. Step 3: Cross multiply
    1,145,491.16x = 1,580,733.30 × 636,225.80
  4. Step 4: Simplify right side
    1,145,491.16x = 1,005,703,308,379.14
  5. Step 5: Solve for x
    x = 1,005,703,308,379.14/1,145,491.16
  6. Step 6: Final answer
    x = 877,966.89

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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.