Home / 1,008,101.60-1,512,152.40-724,666.40

Finding the Fourth Proportional to 1,008,101.60, 1,512,152.40 and 724,666.40

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Solution

The fourth proportional to 1,008,101.60, 1,512,152.40 and 724,666.40 is: 1,086,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,101.60 : 1,512,152.40 = 724,666.40 : x
  2. Step 2: Convert to fraction form
    1,008,101.60/1,512,152.40 = 724,666.40/x
  3. Step 3: Cross multiply
    1,008,101.60x = 1,512,152.40 × 724,666.40
  4. Step 4: Simplify right side
    1,008,101.60x = 1,095,806,035,959.36
  5. Step 5: Solve for x
    x = 1,095,806,035,959.36/1,008,101.60
  6. Step 6: Final answer
    x = 1,086,999.60

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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.