Home / 1,490,539.84-2,056,932-811,474.72

Finding the Fourth Proportional to 1,490,539.84, 2,056,932 and 811,474.72

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Solution

The fourth proportional to 1,490,539.84, 2,056,932 and 811,474.72 is: 1,119,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,539.84 : 2,056,932 = 811,474.72 : x
  2. Step 2: Convert to fraction form
    1,490,539.84/2,056,932 = 811,474.72/x
  3. Step 3: Cross multiply
    1,490,539.84x = 2,056,932 × 811,474.72
  4. Step 4: Simplify right side
    1,490,539.84x = 1,669,148,318,759.04
  5. Step 5: Solve for x
    x = 1,669,148,318,759.04/1,490,539.84
  6. Step 6: Final answer
    x = 1,119,828.05

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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.