Home / 1,262,602.40-1,893,903.60-315,971.60

Finding the Fourth Proportional to 1,262,602.40, 1,893,903.60 and 315,971.60

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Solution

The fourth proportional to 1,262,602.40, 1,893,903.60 and 315,971.60 is: 473,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,602.40 : 1,893,903.60 = 315,971.60 : x
  2. Step 2: Convert to fraction form
    1,262,602.40/1,893,903.60 = 315,971.60/x
  3. Step 3: Cross multiply
    1,262,602.40x = 1,893,903.60 × 315,971.60
  4. Step 4: Simplify right side
    1,262,602.40x = 598,419,750,737.76
  5. Step 5: Solve for x
    x = 598,419,750,737.76/1,262,602.40
  6. Step 6: Final answer
    x = 473,957.40

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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.