Home / 1,115,009.60-1,669,749.60-893,825.60

Finding the Fourth Proportional to 1,115,009.60, 1,669,749.60 and 893,825.60

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Solution

The fourth proportional to 1,115,009.60, 1,669,749.60 and 893,825.60 is: 1,338,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,009.60 : 1,669,749.60 = 893,825.60 : x
  2. Step 2: Convert to fraction form
    1,115,009.60/1,669,749.60 = 893,825.60/x
  3. Step 3: Cross multiply
    1,115,009.60x = 1,669,749.60 × 893,825.60
  4. Step 4: Simplify right side
    1,115,009.60x = 1,492,464,938,069.76
  5. Step 5: Solve for x
    x = 1,492,464,938,069.76/1,115,009.60
  6. Step 6: Final answer
    x = 1,338,522.05

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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.