Home / 1,008,211.91-1,390,397.54-735,848.60

Finding the Fourth Proportional to 1,008,211.91, 1,390,397.54 and 735,848.60

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Solution

The fourth proportional to 1,008,211.91, 1,390,397.54 and 735,848.60 is: 1,014,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,211.91 : 1,390,397.54 = 735,848.60 : x
  2. Step 2: Convert to fraction form
    1,008,211.91/1,390,397.54 = 735,848.60/x
  3. Step 3: Cross multiply
    1,008,211.91x = 1,390,397.54 × 735,848.60
  4. Step 4: Simplify right side
    1,008,211.91x = 1,023,122,072,621.21
  5. Step 5: Solve for x
    x = 1,023,122,072,621.21/1,008,211.91
  6. Step 6: Final answer
    x = 1,014,788.72

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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.