Home / 1,146,007.35-1,719,011.03-1,128,292.65

Finding the Fourth Proportional to 1,146,007.35, 1,719,011.03 and 1,128,292.65

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Solution

The fourth proportional to 1,146,007.35, 1,719,011.03 and 1,128,292.65 is: 1,692,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,007.35 : 1,719,011.03 = 1,128,292.65 : x
  2. Step 2: Convert to fraction form
    1,146,007.35/1,719,011.03 = 1,128,292.65/x
  3. Step 3: Cross multiply
    1,146,007.35x = 1,719,011.03 × 1,128,292.65
  4. Step 4: Simplify right side
    1,146,007.35x = 1,939,547,504,776.47
  5. Step 5: Solve for x
    x = 1,939,547,504,776.47/1,146,007.35
  6. Step 6: Final answer
    x = 1,692,438.98

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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.