Home / 1,400,065.75-2,100,098.63-402,793.75

Finding the Fourth Proportional to 1,400,065.75, 2,100,098.63 and 402,793.75

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Solution

The fourth proportional to 1,400,065.75, 2,100,098.63 and 402,793.75 is: 604,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,065.75 : 2,100,098.63 = 402,793.75 : x
  2. Step 2: Convert to fraction form
    1,400,065.75/2,100,098.63 = 402,793.75/x
  3. Step 3: Cross multiply
    1,400,065.75x = 2,100,098.63 × 402,793.75
  4. Step 4: Simplify right side
    1,400,065.75x = 845,906,602,547.56
  5. Step 5: Solve for x
    x = 845,906,602,547.56/1,400,065.75
  6. Step 6: Final answer
    x = 604,190.63

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1.5x scale

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.