Home / 1,525,895.28-2,288,366.64-528,390

Finding the Fourth Proportional to 1,525,895.28, 2,288,366.64 and 528,390

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Solution

The fourth proportional to 1,525,895.28, 2,288,366.64 and 528,390 is: 792,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,895.28 : 2,288,366.64 = 528,390 : x
  2. Step 2: Convert to fraction form
    1,525,895.28/2,288,366.64 = 528,390/x
  3. Step 3: Cross multiply
    1,525,895.28x = 2,288,366.64 × 528,390
  4. Step 4: Simplify right side
    1,525,895.28x = 1,209,150,048,909.60
  5. Step 5: Solve for x
    x = 1,209,150,048,909.60/1,525,895.28
  6. Step 6: Final answer
    x = 792,420.07

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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.