Home / 933,907.05-1,400,860.98-720,985.86

Finding the Fourth Proportional to 933,907.05, 1,400,860.98 and 720,985.86

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Solution

The fourth proportional to 933,907.05, 1,400,860.98 and 720,985.86 is: 1,081,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,907.05 : 1,400,860.98 = 720,985.86 : x
  2. Step 2: Convert to fraction form
    933,907.05/1,400,860.98 = 720,985.86/x
  3. Step 3: Cross multiply
    933,907.05x = 1,400,860.98 × 720,985.86
  4. Step 4: Simplify right side
    933,907.05x = 1,010,000,958,405.74
  5. Step 5: Solve for x
    x = 1,010,000,958,405.74/933,907.05
  6. Step 6: Final answer
    x = 1,081,479.10

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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.