Home / 1,219,445.40-1,831,241.70-904,258.20

Finding the Fourth Proportional to 1,219,445.40, 1,831,241.70 and 904,258.20

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Solution

The fourth proportional to 1,219,445.40, 1,831,241.70 and 904,258.20 is: 1,357,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,445.40 : 1,831,241.70 = 904,258.20 : x
  2. Step 2: Convert to fraction form
    1,219,445.40/1,831,241.70 = 904,258.20/x
  3. Step 3: Cross multiply
    1,219,445.40x = 1,831,241.70 × 904,258.20
  4. Step 4: Simplify right side
    1,219,445.40x = 1,655,915,323,406.94
  5. Step 5: Solve for x
    x = 1,655,915,323,406.94/1,219,445.40
  6. Step 6: Final answer
    x = 1,357,924.94

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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.