Home / 1,343,645.51-2,016,335.35-490,645.74

Finding the Fourth Proportional to 1,343,645.51, 2,016,335.35 and 490,645.74

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Solution

The fourth proportional to 1,343,645.51, 2,016,335.35 and 490,645.74 is: 736,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,645.51 : 2,016,335.35 = 490,645.74 : x
  2. Step 2: Convert to fraction form
    1,343,645.51/2,016,335.35 = 490,645.74/x
  3. Step 3: Cross multiply
    1,343,645.51x = 2,016,335.35 × 490,645.74
  4. Step 4: Simplify right side
    1,343,645.51x = 989,306,349,888.91
  5. Step 5: Solve for x
    x = 989,306,349,888.91/1,343,645.51
  6. Step 6: Final answer
    x = 736,285.23

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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.