Home / 1,223,733.02-1,688,741.43-687,177.50

Finding the Fourth Proportional to 1,223,733.02, 1,688,741.43 and 687,177.50

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Solution

The fourth proportional to 1,223,733.02, 1,688,741.43 and 687,177.50 is: 948,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,733.02 : 1,688,741.43 = 687,177.50 : x
  2. Step 2: Convert to fraction form
    1,223,733.02/1,688,741.43 = 687,177.50/x
  3. Step 3: Cross multiply
    1,223,733.02x = 1,688,741.43 × 687,177.50
  4. Step 4: Simplify right side
    1,223,733.02x = 1,160,465,114,013.83
  5. Step 5: Solve for x
    x = 1,160,465,114,013.83/1,223,733.02
  6. Step 6: Final answer
    x = 948,299.26

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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.