Home / 1,152,532.96-1,588,591.84-770,420.32

Finding the Fourth Proportional to 1,152,532.96, 1,588,591.84 and 770,420.32

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Solution

The fourth proportional to 1,152,532.96, 1,588,591.84 and 770,420.32 is: 1,061,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,532.96 : 1,588,591.84 = 770,420.32 : x
  2. Step 2: Convert to fraction form
    1,152,532.96/1,588,591.84 = 770,420.32/x
  3. Step 3: Cross multiply
    1,152,532.96x = 1,588,591.84 × 770,420.32
  4. Step 4: Simplify right side
    1,152,532.96x = 1,223,883,433,722.19
  5. Step 5: Solve for x
    x = 1,223,883,433,722.19/1,152,532.96
  6. Step 6: Final answer
    x = 1,061,907.53

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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.