Home / 1,048,634.20-1,574,117.70-649,725.40

Finding the Fourth Proportional to 1,048,634.20, 1,574,117.70 and 649,725.40

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Solution

The fourth proportional to 1,048,634.20, 1,574,117.70 and 649,725.40 is: 975,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,634.20 : 1,574,117.70 = 649,725.40 : x
  2. Step 2: Convert to fraction form
    1,048,634.20/1,574,117.70 = 649,725.40/x
  3. Step 3: Cross multiply
    1,048,634.20x = 1,574,117.70 × 649,725.40
  4. Step 4: Simplify right side
    1,048,634.20x = 1,022,744,252,279.58
  5. Step 5: Solve for x
    x = 1,022,744,252,279.58/1,048,634.20
  6. Step 6: Final answer
    x = 975,310.79

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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.