Home / 1,090,683.07-1,636,771.98-380,711.05

Finding the Fourth Proportional to 1,090,683.07, 1,636,771.98 and 380,711.05

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Solution

The fourth proportional to 1,090,683.07, 1,636,771.98 and 380,711.05 is: 571,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,683.07 : 1,636,771.98 = 380,711.05 : x
  2. Step 2: Convert to fraction form
    1,090,683.07/1,636,771.98 = 380,711.05/x
  3. Step 3: Cross multiply
    1,090,683.07x = 1,636,771.98 × 380,711.05
  4. Step 4: Simplify right side
    1,090,683.07x = 623,137,179,116.38
  5. Step 5: Solve for x
    x = 623,137,179,116.38/1,090,683.07
  6. Step 6: Final answer
    x = 571,327.45

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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.