Home / 1,220,173.61-1,683,940.46-676,480.01

Finding the Fourth Proportional to 1,220,173.61, 1,683,940.46 and 676,480.01

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Solution

The fourth proportional to 1,220,173.61, 1,683,940.46 and 676,480.01 is: 933,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,173.61 : 1,683,940.46 = 676,480.01 : x
  2. Step 2: Convert to fraction form
    1,220,173.61/1,683,940.46 = 676,480.01/x
  3. Step 3: Cross multiply
    1,220,173.61x = 1,683,940.46 × 676,480.01
  4. Step 4: Simplify right side
    1,220,173.61x = 1,139,152,047,418.10
  5. Step 5: Solve for x
    x = 1,139,152,047,418.10/1,220,173.61
  6. Step 6: Final answer
    x = 933,598.34

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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.