Home / 1,782,434.70-2,669,715.45-716,928.30

Finding the Fourth Proportional to 1,782,434.70, 2,669,715.45 and 716,928.30

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Solution

The fourth proportional to 1,782,434.70, 2,669,715.45 and 716,928.30 is: 1,073,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,434.70 : 2,669,715.45 = 716,928.30 : x
  2. Step 2: Convert to fraction form
    1,782,434.70/2,669,715.45 = 716,928.30/x
  3. Step 3: Cross multiply
    1,782,434.70x = 2,669,715.45 × 716,928.30
  4. Step 4: Simplify right side
    1,782,434.70x = 1,913,994,559,052.24
  5. Step 5: Solve for x
    x = 1,913,994,559,052.24/1,782,434.70
  6. Step 6: Final answer
    x = 1,073,809.08

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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.