Home / 1,086,719.40-1,630,079.10-637,655.40

Finding the Fourth Proportional to 1,086,719.40, 1,630,079.10 and 637,655.40

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Solution

The fourth proportional to 1,086,719.40, 1,630,079.10 and 637,655.40 is: 956,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,719.40 : 1,630,079.10 = 637,655.40 : x
  2. Step 2: Convert to fraction form
    1,086,719.40/1,630,079.10 = 637,655.40/x
  3. Step 3: Cross multiply
    1,086,719.40x = 1,630,079.10 × 637,655.40
  4. Step 4: Simplify right side
    1,086,719.40x = 1,039,428,740,542.14
  5. Step 5: Solve for x
    x = 1,039,428,740,542.14/1,086,719.40
  6. Step 6: Final answer
    x = 956,483.10

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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.