Home / 1,140,803.58-1,712,887.56-636,350.16

Finding the Fourth Proportional to 1,140,803.58, 1,712,887.56 and 636,350.16

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Solution

The fourth proportional to 1,140,803.58, 1,712,887.56 and 636,350.16 is: 955,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,803.58 : 1,712,887.56 = 636,350.16 : x
  2. Step 2: Convert to fraction form
    1,140,803.58/1,712,887.56 = 636,350.16/x
  3. Step 3: Cross multiply
    1,140,803.58x = 1,712,887.56 × 636,350.16
  4. Step 4: Simplify right side
    1,140,803.58x = 1,089,996,272,868.01
  5. Step 5: Solve for x
    x = 1,089,996,272,868.01/1,140,803.58
  6. Step 6: Final answer
    x = 955,463.58

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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.