Home / 1,090,938.96-1,636,666.01-342,984.96

Finding the Fourth Proportional to 1,090,938.96, 1,636,666.01 and 342,984.96

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Solution

The fourth proportional to 1,090,938.96, 1,636,666.01 and 342,984.96 is: 514,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,938.96 : 1,636,666.01 = 342,984.96 : x
  2. Step 2: Convert to fraction form
    1,090,938.96/1,636,666.01 = 342,984.96/x
  3. Step 3: Cross multiply
    1,090,938.96x = 1,636,666.01 × 342,984.96
  4. Step 4: Simplify right side
    1,090,938.96x = 561,351,825,973.21
  5. Step 5: Solve for x
    x = 561,351,825,973.21/1,090,938.96
  6. Step 6: Final answer
    x = 514,558.42

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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.