Home / 933,141.60-1,287,427.45-760,763.21

Finding the Fourth Proportional to 933,141.60, 1,287,427.45 and 760,763.21

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Solution

The fourth proportional to 933,141.60, 1,287,427.45 and 760,763.21 is: 1,049,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,141.60 : 1,287,427.45 = 760,763.21 : x
  2. Step 2: Convert to fraction form
    933,141.60/1,287,427.45 = 760,763.21/x
  3. Step 3: Cross multiply
    933,141.60x = 1,287,427.45 × 760,763.21
  4. Step 4: Simplify right side
    933,141.60x = 979,427,435,700.30
  5. Step 5: Solve for x
    x = 979,427,435,700.30/933,141.60
  6. Step 6: Final answer
    x = 1,049,602.16

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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.