Home / 1,556,632.80-2,334,776.40-434,815.20

Finding the Fourth Proportional to 1,556,632.80, 2,334,776.40 and 434,815.20

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Solution

The fourth proportional to 1,556,632.80, 2,334,776.40 and 434,815.20 is: 652,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,632.80 : 2,334,776.40 = 434,815.20 : x
  2. Step 2: Convert to fraction form
    1,556,632.80/2,334,776.40 = 434,815.20/x
  3. Step 3: Cross multiply
    1,556,632.80x = 2,334,776.40 × 434,815.20
  4. Step 4: Simplify right side
    1,556,632.80x = 1,015,196,267,321.28
  5. Step 5: Solve for x
    x = 1,015,196,267,321.28/1,556,632.80
  6. Step 6: Final answer
    x = 652,174.53

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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.