Home / 1,395,437.67-2,090,353.93-636,234.80

Finding the Fourth Proportional to 1,395,437.67, 2,090,353.93 and 636,234.80

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Solution

The fourth proportional to 1,395,437.67, 2,090,353.93 and 636,234.80 is: 953,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,437.67 : 2,090,353.93 = 636,234.80 : x
  2. Step 2: Convert to fraction form
    1,395,437.67/2,090,353.93 = 636,234.80/x
  3. Step 3: Cross multiply
    1,395,437.67x = 2,090,353.93 × 636,234.80
  4. Step 4: Simplify right side
    1,395,437.67x = 1,329,955,904,130.99
  5. Step 5: Solve for x
    x = 1,329,955,904,130.99/1,395,437.67
  6. Step 6: Final answer
    x = 953,074.39

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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.