Home / 1,525,464.09-2,286,456.26-715,000.77

Finding the Fourth Proportional to 1,525,464.09, 2,286,456.26 and 715,000.77

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Solution

The fourth proportional to 1,525,464.09, 2,286,456.26 and 715,000.77 is: 1,071,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,464.09 : 2,286,456.26 = 715,000.77 : x
  2. Step 2: Convert to fraction form
    1,525,464.09/2,286,456.26 = 715,000.77/x
  3. Step 3: Cross multiply
    1,525,464.09x = 2,286,456.26 × 715,000.77
  4. Step 4: Simplify right side
    1,525,464.09x = 1,634,817,982,896.32
  5. Step 5: Solve for x
    x = 1,634,817,982,896.32/1,525,464.09
  6. Step 6: Final answer
    x = 1,071,685.66

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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.