Home / 1,421,657.80-2,132,596.78-475,031.80

Finding the Fourth Proportional to 1,421,657.80, 2,132,596.78 and 475,031.80

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Solution

The fourth proportional to 1,421,657.80, 2,132,596.78 and 475,031.80 is: 712,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,657.80 : 2,132,596.78 = 475,031.80 : x
  2. Step 2: Convert to fraction form
    1,421,657.80/2,132,596.78 = 475,031.80/x
  3. Step 3: Cross multiply
    1,421,657.80x = 2,132,596.78 × 475,031.80
  4. Step 4: Simplify right side
    1,421,657.80x = 1,013,051,287,077.60
  5. Step 5: Solve for x
    x = 1,013,051,287,077.60/1,421,657.80
  6. Step 6: Final answer
    x = 712,584.48

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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.