Home / 1,139,092.08-1,708,652.70-340,190.70

Finding the Fourth Proportional to 1,139,092.08, 1,708,652.70 and 340,190.70

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Solution

The fourth proportional to 1,139,092.08, 1,708,652.70 and 340,190.70 is: 510,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,092.08 : 1,708,652.70 = 340,190.70 : x
  2. Step 2: Convert to fraction form
    1,139,092.08/1,708,652.70 = 340,190.70/x
  3. Step 3: Cross multiply
    1,139,092.08x = 1,708,652.70 × 340,190.70
  4. Step 4: Simplify right side
    1,139,092.08x = 581,267,758,069.89
  5. Step 5: Solve for x
    x = 581,267,758,069.89/1,139,092.08
  6. Step 6: Final answer
    x = 510,290.40

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1.5x scale

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.