Home / 1,090,822.81-1,636,346.17-417,470.53

Finding the Fourth Proportional to 1,090,822.81, 1,636,346.17 and 417,470.53

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Solution

The fourth proportional to 1,090,822.81, 1,636,346.17 and 417,470.53 is: 626,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,822.81 : 1,636,346.17 = 417,470.53 : x
  2. Step 2: Convert to fraction form
    1,090,822.81/1,636,346.17 = 417,470.53/x
  3. Step 3: Cross multiply
    1,090,822.81x = 1,636,346.17 × 417,470.53
  4. Step 4: Simplify right side
    1,090,822.81x = 683,126,302,853.37
  5. Step 5: Solve for x
    x = 683,126,302,853.37/1,090,822.81
  6. Step 6: Final answer
    x = 626,248.64

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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.