Home / 1,048,802.80-1,573,199.70-290,642.08

Finding the Fourth Proportional to 1,048,802.80, 1,573,199.70 and 290,642.08

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Solution

The fourth proportional to 1,048,802.80, 1,573,199.70 and 290,642.08 is: 435,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,802.80 : 1,573,199.70 = 290,642.08 : x
  2. Step 2: Convert to fraction form
    1,048,802.80/1,573,199.70 = 290,642.08/x
  3. Step 3: Cross multiply
    1,048,802.80x = 1,573,199.70 × 290,642.08
  4. Step 4: Simplify right side
    1,048,802.80x = 457,238,033,063.38
  5. Step 5: Solve for x
    x = 457,238,033,063.38/1,048,802.80
  6. Step 6: Final answer
    x = 435,961.87

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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.