Home / 1,619,899-2,235,460.64-904,507

Finding the Fourth Proportional to 1,619,899, 2,235,460.64 and 904,507

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Solution

The fourth proportional to 1,619,899, 2,235,460.64 and 904,507 is: 1,248,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,899 : 2,235,460.64 = 904,507 : x
  2. Step 2: Convert to fraction form
    1,619,899/2,235,460.64 = 904,507/x
  3. Step 3: Cross multiply
    1,619,899x = 2,235,460.64 × 904,507
  4. Step 4: Simplify right side
    1,619,899x = 2,021,989,797,104.48
  5. Step 5: Solve for x
    x = 2,021,989,797,104.48/1,619,899
  6. Step 6: Final answer
    x = 1,248,219.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.