Home / 1,611,387.95-2,417,046.81-757,986.57

Finding the Fourth Proportional to 1,611,387.95, 2,417,046.81 and 757,986.57

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Solution

The fourth proportional to 1,611,387.95, 2,417,046.81 and 757,986.57 is: 1,136,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,387.95 : 2,417,046.81 = 757,986.57 : x
  2. Step 2: Convert to fraction form
    1,611,387.95/2,417,046.81 = 757,986.57/x
  3. Step 3: Cross multiply
    1,611,387.95x = 2,417,046.81 × 757,986.57
  4. Step 4: Simplify right side
    1,611,387.95x = 1,832,089,021,041.34
  5. Step 5: Solve for x
    x = 1,832,089,021,041.34/1,611,387.95
  6. Step 6: Final answer
    x = 1,136,963.34

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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.