Home / 1,019,853.60-1,529,999.10-309,953.40

Finding the Fourth Proportional to 1,019,853.60, 1,529,999.10 and 309,953.40

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Solution

The fourth proportional to 1,019,853.60, 1,529,999.10 and 309,953.40 is: 464,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,853.60 : 1,529,999.10 = 309,953.40 : x
  2. Step 2: Convert to fraction form
    1,019,853.60/1,529,999.10 = 309,953.40/x
  3. Step 3: Cross multiply
    1,019,853.60x = 1,529,999.10 × 309,953.40
  4. Step 4: Simplify right side
    1,019,853.60x = 474,228,423,041.94
  5. Step 5: Solve for x
    x = 474,228,423,041.94/1,019,853.60
  6. Step 6: Final answer
    x = 464,996.57

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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.