Home / 1,221,529.35-1,831,710.69-716,244.20

Finding the Fourth Proportional to 1,221,529.35, 1,831,710.69 and 716,244.20

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Solution

The fourth proportional to 1,221,529.35, 1,831,710.69 and 716,244.20 is: 1,074,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,529.35 : 1,831,710.69 = 716,244.20 : x
  2. Step 2: Convert to fraction form
    1,221,529.35/1,831,710.69 = 716,244.20/x
  3. Step 3: Cross multiply
    1,221,529.35x = 1,831,710.69 × 716,244.20
  4. Step 4: Simplify right side
    1,221,529.35x = 1,311,952,148,631.94
  5. Step 5: Solve for x
    x = 1,311,952,148,631.94/1,221,529.35
  6. Step 6: Final answer
    x = 1,074,024.25

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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.