Home / 1,330,357.21-1,835,894.67-757,397.35

Finding the Fourth Proportional to 1,330,357.21, 1,835,894.67 and 757,397.35

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Solution

The fourth proportional to 1,330,357.21, 1,835,894.67 and 757,397.35 is: 1,045,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,357.21 : 1,835,894.67 = 757,397.35 : x
  2. Step 2: Convert to fraction form
    1,330,357.21/1,835,894.67 = 757,397.35/x
  3. Step 3: Cross multiply
    1,330,357.21x = 1,835,894.67 × 757,397.35
  4. Step 4: Simplify right side
    1,330,357.21x = 1,390,501,757,937.12
  5. Step 5: Solve for x
    x = 1,390,501,757,937.12/1,330,357.21
  6. Step 6: Final answer
    x = 1,045,209.32

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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.