Home / 1,181,386.80-1,769,455.80-971,434.80

Finding the Fourth Proportional to 1,181,386.80, 1,769,455.80 and 971,434.80

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Solution

The fourth proportional to 1,181,386.80, 1,769,455.80 and 971,434.80 is: 1,454,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,386.80 : 1,769,455.80 = 971,434.80 : x
  2. Step 2: Convert to fraction form
    1,181,386.80/1,769,455.80 = 971,434.80/x
  3. Step 3: Cross multiply
    1,181,386.80x = 1,769,455.80 × 971,434.80
  4. Step 4: Simplify right side
    1,181,386.80x = 1,718,910,941,181.84
  5. Step 5: Solve for x
    x = 1,718,910,941,181.84/1,181,386.80
  6. Step 6: Final answer
    x = 1,454,994.20

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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.