Home / 1,292,457.60-1,937,908.80-662,601.60

Finding the Fourth Proportional to 1,292,457.60, 1,937,908.80 and 662,601.60

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Solution

The fourth proportional to 1,292,457.60, 1,937,908.80 and 662,601.60 is: 993,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,457.60 : 1,937,908.80 = 662,601.60 : x
  2. Step 2: Convert to fraction form
    1,292,457.60/1,937,908.80 = 662,601.60/x
  3. Step 3: Cross multiply
    1,292,457.60x = 1,937,908.80 × 662,601.60
  4. Step 4: Simplify right side
    1,292,457.60x = 1,284,061,471,534.08
  5. Step 5: Solve for x
    x = 1,284,061,471,534.08/1,292,457.60
  6. Step 6: Final answer
    x = 993,503.75

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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.