Home / 1,240,458.09-1,712,017.30-757,303.32

Finding the Fourth Proportional to 1,240,458.09, 1,712,017.30 and 757,303.32

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Solution

The fourth proportional to 1,240,458.09, 1,712,017.30 and 757,303.32 is: 1,045,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,458.09 : 1,712,017.30 = 757,303.32 : x
  2. Step 2: Convert to fraction form
    1,240,458.09/1,712,017.30 = 757,303.32/x
  3. Step 3: Cross multiply
    1,240,458.09x = 1,712,017.30 × 757,303.32
  4. Step 4: Simplify right side
    1,240,458.09x = 1,296,516,383,294.18
  5. Step 5: Solve for x
    x = 1,296,516,383,294.18/1,240,458.09
  6. Step 6: Final answer
    x = 1,045,191.61

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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.