Home / 1,553,337.36-2,330,271.72-711,961.20

Finding the Fourth Proportional to 1,553,337.36, 2,330,271.72 and 711,961.20

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Solution

The fourth proportional to 1,553,337.36, 2,330,271.72 and 711,961.20 is: 1,068,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,337.36 : 2,330,271.72 = 711,961.20 : x
  2. Step 2: Convert to fraction form
    1,553,337.36/2,330,271.72 = 711,961.20/x
  3. Step 3: Cross multiply
    1,553,337.36x = 2,330,271.72 × 711,961.20
  4. Step 4: Simplify right side
    1,553,337.36x = 1,659,063,050,097.26
  5. Step 5: Solve for x
    x = 1,659,063,050,097.26/1,553,337.36
  6. Step 6: Final answer
    x = 1,068,063.57

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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.