Home / 1,196,356.77-1,790,319.65-747,289.13

Finding the Fourth Proportional to 1,196,356.77, 1,790,319.65 and 747,289.13

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Solution

The fourth proportional to 1,196,356.77, 1,790,319.65 and 747,289.13 is: 1,118,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,356.77 : 1,790,319.65 = 747,289.13 : x
  2. Step 2: Convert to fraction form
    1,196,356.77/1,790,319.65 = 747,289.13/x
  3. Step 3: Cross multiply
    1,196,356.77x = 1,790,319.65 × 747,289.13
  4. Step 4: Simplify right side
    1,196,356.77x = 1,337,886,400,982.36
  5. Step 5: Solve for x
    x = 1,337,886,400,982.36/1,196,356.77
  6. Step 6: Final answer
    x = 1,118,300.52

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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.