Home / 1,364,868.60-2,047,400.10-418,237.80

Finding the Fourth Proportional to 1,364,868.60, 2,047,400.10 and 418,237.80

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Solution

The fourth proportional to 1,364,868.60, 2,047,400.10 and 418,237.80 is: 627,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,868.60 : 2,047,400.10 = 418,237.80 : x
  2. Step 2: Convert to fraction form
    1,364,868.60/2,047,400.10 = 418,237.80/x
  3. Step 3: Cross multiply
    1,364,868.60x = 2,047,400.10 × 418,237.80
  4. Step 4: Simplify right side
    1,364,868.60x = 856,300,113,543.78
  5. Step 5: Solve for x
    x = 856,300,113,543.78/1,364,868.60
  6. Step 6: Final answer
    x = 627,386.49

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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.