Home / 1,005,083.10-1,387,028.18-546,206.76

Finding the Fourth Proportional to 1,005,083.10, 1,387,028.18 and 546,206.76

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Solution

The fourth proportional to 1,005,083.10, 1,387,028.18 and 546,206.76 is: 753,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,083.10 : 1,387,028.18 = 546,206.76 : x
  2. Step 2: Convert to fraction form
    1,005,083.10/1,387,028.18 = 546,206.76/x
  3. Step 3: Cross multiply
    1,005,083.10x = 1,387,028.18 × 546,206.76
  4. Step 4: Simplify right side
    1,005,083.10x = 757,604,168,226.50
  5. Step 5: Solve for x
    x = 757,604,168,226.50/1,005,083.10
  6. Step 6: Final answer
    x = 753,772.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.