Home / 1,018,295.50-1,405,291.53-565,586.50

Finding the Fourth Proportional to 1,018,295.50, 1,405,291.53 and 565,586.50

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Solution

The fourth proportional to 1,018,295.50, 1,405,291.53 and 565,586.50 is: 780,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,295.50 : 1,405,291.53 = 565,586.50 : x
  2. Step 2: Convert to fraction form
    1,018,295.50/1,405,291.53 = 565,586.50/x
  3. Step 3: Cross multiply
    1,018,295.50x = 1,405,291.53 × 565,586.50
  4. Step 4: Simplify right side
    1,018,295.50x = 794,813,917,932.35
  5. Step 5: Solve for x
    x = 794,813,917,932.35/1,018,295.50
  6. Step 6: Final answer
    x = 780,533.66

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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.