Home / 1,048,809.30-1,573,209.45-290,648.58

Finding the Fourth Proportional to 1,048,809.30, 1,573,209.45 and 290,648.58

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Solution

The fourth proportional to 1,048,809.30, 1,573,209.45 and 290,648.58 is: 435,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,809.30 : 1,573,209.45 = 290,648.58 : x
  2. Step 2: Convert to fraction form
    1,048,809.30/1,573,209.45 = 290,648.58/x
  3. Step 3: Cross multiply
    1,048,809.30x = 1,573,209.45 × 290,648.58
  4. Step 4: Simplify right side
    1,048,809.30x = 457,251,092,685.08
  5. Step 5: Solve for x
    x = 457,251,092,685.08/1,048,809.30
  6. Step 6: Final answer
    x = 435,971.62

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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.