Home / 1,417,812.10-2,128,100.55-708,640.90

Finding the Fourth Proportional to 1,417,812.10, 2,128,100.55 and 708,640.90

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Solution

The fourth proportional to 1,417,812.10, 2,128,100.55 and 708,640.90 is: 1,063,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,812.10 : 2,128,100.55 = 708,640.90 : x
  2. Step 2: Convert to fraction form
    1,417,812.10/2,128,100.55 = 708,640.90/x
  3. Step 3: Cross multiply
    1,417,812.10x = 2,128,100.55 × 708,640.90
  4. Step 4: Simplify right side
    1,417,812.10x = 1,508,059,089,042.50
  5. Step 5: Solve for x
    x = 1,508,059,089,042.50/1,417,812.10
  6. Step 6: Final answer
    x = 1,063,652.29

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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.