Home / 1,090,706.67-1,636,807.41-380,734.83

Finding the Fourth Proportional to 1,090,706.67, 1,636,807.41 and 380,734.83

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Solution

The fourth proportional to 1,090,706.67, 1,636,807.41 and 380,734.83 is: 571,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,706.67 : 1,636,807.41 = 380,734.83 : x
  2. Step 2: Convert to fraction form
    1,090,706.67/1,636,807.41 = 380,734.83/x
  3. Step 3: Cross multiply
    1,090,706.67x = 1,636,807.41 × 380,734.83
  4. Step 4: Simplify right side
    1,090,706.67x = 623,189,590,989.09
  5. Step 5: Solve for x
    x = 623,189,590,989.09/1,090,706.67
  6. Step 6: Final answer
    x = 571,363.14

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1.5x scale

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.