Home / 1,521,064.32-2,096,642.72-1,030,881.08

Finding the Fourth Proportional to 1,521,064.32, 2,096,642.72 and 1,030,881.08

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Solution

The fourth proportional to 1,521,064.32, 2,096,642.72 and 1,030,881.08 is: 1,420,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,064.32 : 2,096,642.72 = 1,030,881.08 : x
  2. Step 2: Convert to fraction form
    1,521,064.32/2,096,642.72 = 1,030,881.08/x
  3. Step 3: Cross multiply
    1,521,064.32x = 2,096,642.72 × 1,030,881.08
  4. Step 4: Simplify right side
    1,521,064.32x = 2,161,389,295,930.12
  5. Step 5: Solve for x
    x = 2,161,389,295,930.12/1,521,064.32
  6. Step 6: Final answer
    x = 1,420,971.66

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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.