Home / 1,113,512.80-1,670,264.52-403,374.64

Finding the Fourth Proportional to 1,113,512.80, 1,670,264.52 and 403,374.64

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Solution

The fourth proportional to 1,113,512.80, 1,670,264.52 and 403,374.64 is: 605,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,512.80 : 1,670,264.52 = 403,374.64 : x
  2. Step 2: Convert to fraction form
    1,113,512.80/1,670,264.52 = 403,374.64/x
  3. Step 3: Cross multiply
    1,113,512.80x = 1,670,264.52 × 403,374.64
  4. Step 4: Simplify right side
    1,113,512.80x = 673,742,349,459.77
  5. Step 5: Solve for x
    x = 673,742,349,459.77/1,113,512.80
  6. Step 6: Final answer
    x = 605,060.26

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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.