Home / 1,587,199.32-2,189,994.30-942,836.76

Finding the Fourth Proportional to 1,587,199.32, 2,189,994.30 and 942,836.76

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Solution

The fourth proportional to 1,587,199.32, 2,189,994.30 and 942,836.76 is: 1,300,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,199.32 : 2,189,994.30 = 942,836.76 : x
  2. Step 2: Convert to fraction form
    1,587,199.32/2,189,994.30 = 942,836.76/x
  3. Step 3: Cross multiply
    1,587,199.32x = 2,189,994.30 × 942,836.76
  4. Step 4: Simplify right side
    1,587,199.32x = 2,064,807,130,230.47
  5. Step 5: Solve for x
    x = 2,064,807,130,230.47/1,587,199.32
  6. Step 6: Final answer
    x = 1,300,912.31

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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.