Home / 1,086,128.24-1,630,384.20-862,923.44

Finding the Fourth Proportional to 1,086,128.24, 1,630,384.20 and 862,923.44

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Solution

The fourth proportional to 1,086,128.24, 1,630,384.20 and 862,923.44 is: 1,295,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,128.24 : 1,630,384.20 = 862,923.44 : x
  2. Step 2: Convert to fraction form
    1,086,128.24/1,630,384.20 = 862,923.44/x
  3. Step 3: Cross multiply
    1,086,128.24x = 1,630,384.20 × 862,923.44
  4. Step 4: Simplify right side
    1,086,128.24x = 1,406,896,742,385.65
  5. Step 5: Solve for x
    x = 1,406,896,742,385.65/1,086,128.24
  6. Step 6: Final answer
    x = 1,295,332.07

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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.