Home / 1,214,572.32-1,821,880.08-373,131.36

Finding the Fourth Proportional to 1,214,572.32, 1,821,880.08 and 373,131.36

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Solution

The fourth proportional to 1,214,572.32, 1,821,880.08 and 373,131.36 is: 559,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,572.32 : 1,821,880.08 = 373,131.36 : x
  2. Step 2: Convert to fraction form
    1,214,572.32/1,821,880.08 = 373,131.36/x
  3. Step 3: Cross multiply
    1,214,572.32x = 1,821,880.08 × 373,131.36
  4. Step 4: Simplify right side
    1,214,572.32x = 679,800,592,007.31
  5. Step 5: Solve for x
    x = 679,800,592,007.31/1,214,572.32
  6. Step 6: Final answer
    x = 559,703.68

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1.5x scale

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.