Home / 1,500,741.08-2,071,020.31-812,412.76

Finding the Fourth Proportional to 1,500,741.08, 2,071,020.31 and 812,412.76

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Solution

The fourth proportional to 1,500,741.08, 2,071,020.31 and 812,412.76 is: 1,121,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,741.08 : 2,071,020.31 = 812,412.76 : x
  2. Step 2: Convert to fraction form
    1,500,741.08/2,071,020.31 = 812,412.76/x
  3. Step 3: Cross multiply
    1,500,741.08x = 2,071,020.31 × 812,412.76
  4. Step 4: Simplify right side
    1,500,741.08x = 1,682,523,323,823.90
  5. Step 5: Solve for x
    x = 1,682,523,323,823.90/1,500,741.08
  6. Step 6: Final answer
    x = 1,121,128.32

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1.5x scale

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.