Home / 1,139,940.70-1,709,909.64-540,574.84

Finding the Fourth Proportional to 1,139,940.70, 1,709,909.64 and 540,574.84

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Solution

The fourth proportional to 1,139,940.70, 1,709,909.64 and 540,574.84 is: 810,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,940.70 : 1,709,909.64 = 540,574.84 : x
  2. Step 2: Convert to fraction form
    1,139,940.70/1,709,909.64 = 540,574.84/x
  3. Step 3: Cross multiply
    1,139,940.70x = 1,709,909.64 × 540,574.84
  4. Step 4: Simplify right side
    1,139,940.70x = 924,334,130,057.46
  5. Step 5: Solve for x
    x = 924,334,130,057.46/1,139,940.70
  6. Step 6: Final answer
    x = 810,861.59

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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.