Home / 1,808,991.20-2,712,699.48-909,871.76

Finding the Fourth Proportional to 1,808,991.20, 2,712,699.48 and 909,871.76

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Solution

The fourth proportional to 1,808,991.20, 2,712,699.48 and 909,871.76 is: 1,364,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,991.20 : 2,712,699.48 = 909,871.76 : x
  2. Step 2: Convert to fraction form
    1,808,991.20/2,712,699.48 = 909,871.76/x
  3. Step 3: Cross multiply
    1,808,991.20x = 2,712,699.48 × 909,871.76
  4. Step 4: Simplify right side
    1,808,991.20x = 2,468,208,650,218.68
  5. Step 5: Solve for x
    x = 2,468,208,650,218.68/1,808,991.20
  6. Step 6: Final answer
    x = 1,364,411.64

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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.