Home / 1,068,419.70-1,602,030.48-731,840.40

Finding the Fourth Proportional to 1,068,419.70, 1,602,030.48 and 731,840.40

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Solution

The fourth proportional to 1,068,419.70, 1,602,030.48 and 731,840.40 is: 1,097,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,419.70 : 1,602,030.48 = 731,840.40 : x
  2. Step 2: Convert to fraction form
    1,068,419.70/1,602,030.48 = 731,840.40/x
  3. Step 3: Cross multiply
    1,068,419.70x = 1,602,030.48 × 731,840.40
  4. Step 4: Simplify right side
    1,068,419.70x = 1,172,430,627,295.39
  5. Step 5: Solve for x
    x = 1,172,430,627,295.39/1,068,419.70
  6. Step 6: Final answer
    x = 1,097,350.25

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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.