Home / 1,223,229.45-1,688,077.50-671,968.39

Finding the Fourth Proportional to 1,223,229.45, 1,688,077.50 and 671,968.39

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Solution

The fourth proportional to 1,223,229.45, 1,688,077.50 and 671,968.39 is: 927,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,229.45 : 1,688,077.50 = 671,968.39 : x
  2. Step 2: Convert to fraction form
    1,223,229.45/1,688,077.50 = 671,968.39/x
  3. Step 3: Cross multiply
    1,223,229.45x = 1,688,077.50 × 671,968.39
  4. Step 4: Simplify right side
    1,223,229.45x = 1,134,334,719,870.23
  5. Step 5: Solve for x
    x = 1,134,334,719,870.23/1,223,229.45
  6. Step 6: Final answer
    x = 927,327.84

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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.