Home / 1,262,802.30-1,898,869.05-1,057,515.90

Finding the Fourth Proportional to 1,262,802.30, 1,898,869.05 and 1,057,515.90

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Solution

The fourth proportional to 1,262,802.30, 1,898,869.05 and 1,057,515.90 is: 1,590,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,802.30 : 1,898,869.05 = 1,057,515.90 : x
  2. Step 2: Convert to fraction form
    1,262,802.30/1,898,869.05 = 1,057,515.90/x
  3. Step 3: Cross multiply
    1,262,802.30x = 1,898,869.05 × 1,057,515.90
  4. Step 4: Simplify right side
    1,262,802.30x = 2,008,084,212,392.89
  5. Step 5: Solve for x
    x = 2,008,084,212,392.89/1,262,802.30
  6. Step 6: Final answer
    x = 1,590,180.99

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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.