Home / 1,294,697.60-1,942,629.60-620,518.40

Finding the Fourth Proportional to 1,294,697.60, 1,942,629.60 and 620,518.40

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Solution

The fourth proportional to 1,294,697.60, 1,942,629.60 and 620,518.40 is: 931,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,697.60 : 1,942,629.60 = 620,518.40 : x
  2. Step 2: Convert to fraction form
    1,294,697.60/1,942,629.60 = 620,518.40/x
  3. Step 3: Cross multiply
    1,294,697.60x = 1,942,629.60 × 620,518.40
  4. Step 4: Simplify right side
    1,294,697.60x = 1,205,437,411,184.64
  5. Step 5: Solve for x
    x = 1,205,437,411,184.64/1,294,697.60
  6. Step 6: Final answer
    x = 931,057.11

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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.