Home / 1,326,698.60-1,990,047.90-848,401.70

Finding the Fourth Proportional to 1,326,698.60, 1,990,047.90 and 848,401.70

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Solution

The fourth proportional to 1,326,698.60, 1,990,047.90 and 848,401.70 is: 1,272,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,698.60 : 1,990,047.90 = 848,401.70 : x
  2. Step 2: Convert to fraction form
    1,326,698.60/1,990,047.90 = 848,401.70/x
  3. Step 3: Cross multiply
    1,326,698.60x = 1,990,047.90 × 848,401.70
  4. Step 4: Simplify right side
    1,326,698.60x = 1,688,360,021,441.43
  5. Step 5: Solve for x
    x = 1,688,360,021,441.43/1,326,698.60
  6. Step 6: Final answer
    x = 1,272,602.55

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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.