Home / 1,175,161.02-1,621,630.71-665,943.18

Finding the Fourth Proportional to 1,175,161.02, 1,621,630.71 and 665,943.18

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Solution

The fourth proportional to 1,175,161.02, 1,621,630.71 and 665,943.18 is: 918,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,161.02 : 1,621,630.71 = 665,943.18 : x
  2. Step 2: Convert to fraction form
    1,175,161.02/1,621,630.71 = 665,943.18/x
  3. Step 3: Cross multiply
    1,175,161.02x = 1,621,630.71 × 665,943.18
  4. Step 4: Simplify right side
    1,175,161.02x = 1,079,913,911,803.06
  5. Step 5: Solve for x
    x = 1,079,913,911,803.06/1,175,161.02
  6. Step 6: Final answer
    x = 918,949.74

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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.