Home / 1,090,623.06-1,636,681.81-380,651.10

Finding the Fourth Proportional to 1,090,623.06, 1,636,681.81 and 380,651.10

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Solution

The fourth proportional to 1,090,623.06, 1,636,681.81 and 380,651.10 is: 571,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,623.06 : 1,636,681.81 = 380,651.10 : x
  2. Step 2: Convert to fraction form
    1,090,623.06/1,636,681.81 = 380,651.10/x
  3. Step 3: Cross multiply
    1,090,623.06x = 1,636,681.81 × 380,651.10
  4. Step 4: Simplify right side
    1,090,623.06x = 623,004,721,239.83
  5. Step 5: Solve for x
    x = 623,004,721,239.83/1,090,623.06
  6. Step 6: Final answer
    x = 571,237.44

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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.