Home / 1,525,094.70-2,286,985.95-766,643.10

Finding the Fourth Proportional to 1,525,094.70, 2,286,985.95 and 766,643.10

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Solution

The fourth proportional to 1,525,094.70, 2,286,985.95 and 766,643.10 is: 1,149,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,094.70 : 2,286,985.95 = 766,643.10 : x
  2. Step 2: Convert to fraction form
    1,525,094.70/2,286,985.95 = 766,643.10/x
  3. Step 3: Cross multiply
    1,525,094.70x = 2,286,985.95 × 766,643.10
  4. Step 4: Simplify right side
    1,525,094.70x = 1,753,301,998,364.45
  5. Step 5: Solve for x
    x = 1,753,301,998,364.45/1,525,094.70
  6. Step 6: Final answer
    x = 1,149,634.84

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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.