Home / 1,238,460.48-1,708,349.52-778,846.02

Finding the Fourth Proportional to 1,238,460.48, 1,708,349.52 and 778,846.02

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Solution

The fourth proportional to 1,238,460.48, 1,708,349.52 and 778,846.02 is: 1,074,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,460.48 : 1,708,349.52 = 778,846.02 : x
  2. Step 2: Convert to fraction form
    1,238,460.48/1,708,349.52 = 778,846.02/x
  3. Step 3: Cross multiply
    1,238,460.48x = 1,708,349.52 × 778,846.02
  4. Step 4: Simplify right side
    1,238,460.48x = 1,330,541,224,420.91
  5. Step 5: Solve for x
    x = 1,330,541,224,420.91/1,238,460.48
  6. Step 6: Final answer
    x = 1,074,350.98

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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.