Home / 1,225,742.72-1,838,614.12-384,362.24

Finding the Fourth Proportional to 1,225,742.72, 1,838,614.12 and 384,362.24

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Solution

The fourth proportional to 1,225,742.72, 1,838,614.12 and 384,362.24 is: 576,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,742.72 : 1,838,614.12 = 384,362.24 : x
  2. Step 2: Convert to fraction form
    1,225,742.72/1,838,614.12 = 384,362.24/x
  3. Step 3: Cross multiply
    1,225,742.72x = 1,838,614.12 × 384,362.24
  4. Step 4: Simplify right side
    1,225,742.72x = 706,693,841,658.83
  5. Step 5: Solve for x
    x = 706,693,841,658.83/1,225,742.72
  6. Step 6: Final answer
    x = 576,543.37

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1.5x scale

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.