Home / 1,090,822.31-1,636,345.42-417,470.03

Finding the Fourth Proportional to 1,090,822.31, 1,636,345.42 and 417,470.03

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Solution

The fourth proportional to 1,090,822.31, 1,636,345.42 and 417,470.03 is: 626,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,822.31 : 1,636,345.42 = 417,470.03 : x
  2. Step 2: Convert to fraction form
    1,090,822.31/1,636,345.42 = 417,470.03/x
  3. Step 3: Cross multiply
    1,090,822.31x = 1,636,345.42 × 417,470.03
  4. Step 4: Simplify right side
    1,090,822.31x = 683,125,171,577.76
  5. Step 5: Solve for x
    x = 683,125,171,577.76/1,090,822.31
  6. Step 6: Final answer
    x = 626,247.89

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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.