Home / 1,330,352.71-1,835,888.45-757,392.86

Finding the Fourth Proportional to 1,330,352.71, 1,835,888.45 and 757,392.86

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Solution

The fourth proportional to 1,330,352.71, 1,835,888.45 and 757,392.86 is: 1,045,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,352.71 : 1,835,888.45 = 757,392.86 : x
  2. Step 2: Convert to fraction form
    1,330,352.71/1,835,888.45 = 757,392.86/x
  3. Step 3: Cross multiply
    1,330,352.71x = 1,835,888.45 × 757,392.86
  4. Step 4: Simplify right side
    1,330,352.71x = 1,390,488,803,786.47
  5. Step 5: Solve for x
    x = 1,390,488,803,786.47/1,330,352.71
  6. Step 6: Final answer
    x = 1,045,203.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.