Home / 1,525,988-2,289,390.24-528,716

Finding the Fourth Proportional to 1,525,988, 2,289,390.24 and 528,716

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Solution

The fourth proportional to 1,525,988, 2,289,390.24 and 528,716 is: 793,215.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,988 : 2,289,390.24 = 528,716 : x
  2. Step 2: Convert to fraction form
    1,525,988/2,289,390.24 = 528,716/x
  3. Step 3: Cross multiply
    1,525,988x = 2,289,390.24 × 528,716
  4. Step 4: Simplify right side
    1,525,988x = 1,210,437,250,131.84
  5. Step 5: Solve for x
    x = 1,210,437,250,131.84/1,525,988
  6. Step 6: Final answer
    x = 793,215.44

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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.