Home / 1,018,538.02-1,405,575.49-559,657.42

Finding the Fourth Proportional to 1,018,538.02, 1,405,575.49 and 559,657.42

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Solution

The fourth proportional to 1,018,538.02, 1,405,575.49 and 559,657.42 is: 772,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,538.02 : 1,405,575.49 = 559,657.42 : x
  2. Step 2: Convert to fraction form
    1,018,538.02/1,405,575.49 = 559,657.42/x
  3. Step 3: Cross multiply
    1,018,538.02x = 1,405,575.49 × 559,657.42
  4. Step 4: Simplify right side
    1,018,538.02x = 786,640,752,348.64
  5. Step 5: Solve for x
    x = 786,640,752,348.64/1,018,538.02
  6. Step 6: Final answer
    x = 772,323.41

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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.