Home / 1,425,533.80-2,136,572.70-825,341.80

Finding the Fourth Proportional to 1,425,533.80, 2,136,572.70 and 825,341.80

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Solution

The fourth proportional to 1,425,533.80, 2,136,572.70 and 825,341.80 is: 1,237,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,533.80 : 2,136,572.70 = 825,341.80 : x
  2. Step 2: Convert to fraction form
    1,425,533.80/2,136,572.70 = 825,341.80/x
  3. Step 3: Cross multiply
    1,425,533.80x = 2,136,572.70 × 825,341.80
  4. Step 4: Simplify right side
    1,425,533.80x = 1,763,402,758,048.86
  5. Step 5: Solve for x
    x = 1,763,402,758,048.86/1,425,533.80
  6. Step 6: Final answer
    x = 1,237,012.24

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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.