Home / 1,509,617.76-2,083,242.96-830,565.60

Finding the Fourth Proportional to 1,509,617.76, 2,083,242.96 and 830,565.60

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Solution

The fourth proportional to 1,509,617.76, 2,083,242.96 and 830,565.60 is: 1,146,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,617.76 : 2,083,242.96 = 830,565.60 : x
  2. Step 2: Convert to fraction form
    1,509,617.76/2,083,242.96 = 830,565.60/x
  3. Step 3: Cross multiply
    1,509,617.76x = 2,083,242.96 × 830,565.60
  4. Step 4: Simplify right side
    1,509,617.76x = 1,730,269,939,018.18
  5. Step 5: Solve for x
    x = 1,730,269,939,018.18/1,509,617.76
  6. Step 6: Final answer
    x = 1,146,164.27

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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.