Home / 1,345,316.92-1,856,452.98-771,953.56

Finding the Fourth Proportional to 1,345,316.92, 1,856,452.98 and 771,953.56

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Solution

The fourth proportional to 1,345,316.92, 1,856,452.98 and 771,953.56 is: 1,065,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,316.92 : 1,856,452.98 = 771,953.56 : x
  2. Step 2: Convert to fraction form
    1,345,316.92/1,856,452.98 = 771,953.56/x
  3. Step 3: Cross multiply
    1,345,316.92x = 1,856,452.98 × 771,953.56
  4. Step 4: Simplify right side
    1,345,316.92x = 1,433,095,486,883.61
  5. Step 5: Solve for x
    x = 1,433,095,486,883.61/1,345,316.92
  6. Step 6: Final answer
    x = 1,065,247.50

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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.