Home / 1,090,682.07-1,636,770.48-380,710.05

Finding the Fourth Proportional to 1,090,682.07, 1,636,770.48 and 380,710.05

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Solution

The fourth proportional to 1,090,682.07, 1,636,770.48 and 380,710.05 is: 571,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,682.07 : 1,636,770.48 = 380,710.05 : x
  2. Step 2: Convert to fraction form
    1,090,682.07/1,636,770.48 = 380,710.05/x
  3. Step 3: Cross multiply
    1,090,682.07x = 1,636,770.48 × 380,710.05
  4. Step 4: Simplify right side
    1,090,682.07x = 623,134,971,279.32
  5. Step 5: Solve for x
    x = 623,134,971,279.32/1,090,682.07
  6. Step 6: Final answer
    x = 571,325.95

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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.