Home / 1,047,427.52-1,445,511.92-788,848.40

Finding the Fourth Proportional to 1,047,427.52, 1,445,511.92 and 788,848.40

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Solution

The fourth proportional to 1,047,427.52, 1,445,511.92 and 788,848.40 is: 1,088,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,427.52 : 1,445,511.92 = 788,848.40 : x
  2. Step 2: Convert to fraction form
    1,047,427.52/1,445,511.92 = 788,848.40/x
  3. Step 3: Cross multiply
    1,047,427.52x = 1,445,511.92 × 788,848.40
  4. Step 4: Simplify right side
    1,047,427.52x = 1,140,289,765,272.93
  5. Step 5: Solve for x
    x = 1,140,289,765,272.93/1,047,427.52
  6. Step 6: Final answer
    x = 1,088,657.44

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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.