Home / 1,068,015.40-1,602,023.10-1,020,776.20

Finding the Fourth Proportional to 1,068,015.40, 1,602,023.10 and 1,020,776.20

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Solution

The fourth proportional to 1,068,015.40, 1,602,023.10 and 1,020,776.20 is: 1,531,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,015.40 : 1,602,023.10 = 1,020,776.20 : x
  2. Step 2: Convert to fraction form
    1,068,015.40/1,602,023.10 = 1,020,776.20/x
  3. Step 3: Cross multiply
    1,068,015.40x = 1,602,023.10 × 1,020,776.20
  4. Step 4: Simplify right side
    1,068,015.40x = 1,635,307,052,330.22
  5. Step 5: Solve for x
    x = 1,635,307,052,330.22/1,068,015.40
  6. Step 6: Final answer
    x = 1,531,164.30

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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.