Home / 1,161,952.63-1,603,459.74-645,704.80

Finding the Fourth Proportional to 1,161,952.63, 1,603,459.74 and 645,704.80

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Solution

The fourth proportional to 1,161,952.63, 1,603,459.74 and 645,704.80 is: 891,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,952.63 : 1,603,459.74 = 645,704.80 : x
  2. Step 2: Convert to fraction form
    1,161,952.63/1,603,459.74 = 645,704.80/x
  3. Step 3: Cross multiply
    1,161,952.63x = 1,603,459.74 × 645,704.80
  4. Step 4: Simplify right side
    1,161,952.63x = 1,035,361,650,724.75
  5. Step 5: Solve for x
    x = 1,035,361,650,724.75/1,161,952.63
  6. Step 6: Final answer
    x = 891,053.24

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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.