Home / 1,064,816.80-1,597,225.20-686,903.20

Finding the Fourth Proportional to 1,064,816.80, 1,597,225.20 and 686,903.20

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Solution

The fourth proportional to 1,064,816.80, 1,597,225.20 and 686,903.20 is: 1,030,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,816.80 : 1,597,225.20 = 686,903.20 : x
  2. Step 2: Convert to fraction form
    1,064,816.80/1,597,225.20 = 686,903.20/x
  3. Step 3: Cross multiply
    1,064,816.80x = 1,597,225.20 × 686,903.20
  4. Step 4: Simplify right side
    1,064,816.80x = 1,097,139,101,000.64
  5. Step 5: Solve for x
    x = 1,097,139,101,000.64/1,064,816.80
  6. Step 6: Final answer
    x = 1,030,354.80

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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.