Home / 1,091,800.70-1,637,701.05-997,322.30

Finding the Fourth Proportional to 1,091,800.70, 1,637,701.05 and 997,322.30

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Solution

The fourth proportional to 1,091,800.70, 1,637,701.05 and 997,322.30 is: 1,495,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,800.70 : 1,637,701.05 = 997,322.30 : x
  2. Step 2: Convert to fraction form
    1,091,800.70/1,637,701.05 = 997,322.30/x
  3. Step 3: Cross multiply
    1,091,800.70x = 1,637,701.05 × 997,322.30
  4. Step 4: Simplify right side
    1,091,800.70x = 1,633,315,777,898.42
  5. Step 5: Solve for x
    x = 1,633,315,777,898.42/1,091,800.70
  6. Step 6: Final answer
    x = 1,495,983.45

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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.