Home / 1,560,421.56-2,152,187.10-1,077,794.40

Finding the Fourth Proportional to 1,560,421.56, 2,152,187.10 and 1,077,794.40

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Solution

The fourth proportional to 1,560,421.56, 2,152,187.10 and 1,077,794.40 is: 1,486,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,421.56 : 2,152,187.10 = 1,077,794.40 : x
  2. Step 2: Convert to fraction form
    1,560,421.56/2,152,187.10 = 1,077,794.40/x
  3. Step 3: Cross multiply
    1,560,421.56x = 2,152,187.10 × 1,077,794.40
  4. Step 4: Simplify right side
    1,560,421.56x = 2,319,615,204,132.24
  5. Step 5: Solve for x
    x = 2,319,615,204,132.24/1,560,421.56
  6. Step 6: Final answer
    x = 1,486,531.12

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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.