Home / 1,018,299.50-1,405,297.08-565,590.50

Finding the Fourth Proportional to 1,018,299.50, 1,405,297.08 and 565,590.50

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Solution

The fourth proportional to 1,018,299.50, 1,405,297.08 and 565,590.50 is: 780,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,299.50 : 1,405,297.08 = 565,590.50 : x
  2. Step 2: Convert to fraction form
    1,018,299.50/1,405,297.08 = 565,590.50/x
  3. Step 3: Cross multiply
    1,018,299.50x = 1,405,297.08 × 565,590.50
  4. Step 4: Simplify right side
    1,018,299.50x = 794,822,678,125.74
  5. Step 5: Solve for x
    x = 794,822,678,125.74/1,018,299.50
  6. Step 6: Final answer
    x = 780,539.20

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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.