Home / 1,303,031.72-1,953,183.42-545,307.32

Finding the Fourth Proportional to 1,303,031.72, 1,953,183.42 and 545,307.32

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Solution

The fourth proportional to 1,303,031.72, 1,953,183.42 and 545,307.32 is: 817,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,031.72 : 1,953,183.42 = 545,307.32 : x
  2. Step 2: Convert to fraction form
    1,303,031.72/1,953,183.42 = 545,307.32/x
  3. Step 3: Cross multiply
    1,303,031.72x = 1,953,183.42 × 545,307.32
  4. Step 4: Simplify right side
    1,303,031.72x = 1,065,085,216,228.63
  5. Step 5: Solve for x
    x = 1,065,085,216,228.63/1,303,031.72
  6. Step 6: Final answer
    x = 817,390.09

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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.