Home / 1,528,263.70-2,286,952.35-1,330,753.30

Finding the Fourth Proportional to 1,528,263.70, 2,286,952.35 and 1,330,753.30

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Solution

The fourth proportional to 1,528,263.70, 2,286,952.35 and 1,330,753.30 is: 1,991,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,263.70 : 2,286,952.35 = 1,330,753.30 : x
  2. Step 2: Convert to fraction form
    1,528,263.70/2,286,952.35 = 1,330,753.30/x
  3. Step 3: Cross multiply
    1,528,263.70x = 2,286,952.35 × 1,330,753.30
  4. Step 4: Simplify right side
    1,528,263.70x = 3,043,369,386,705.26
  5. Step 5: Solve for x
    x = 3,043,369,386,705.26/1,528,263.70
  6. Step 6: Final answer
    x = 1,991,390.22

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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.