Home / 1,492,337.80-2,238,506.70-860,926.60

Finding the Fourth Proportional to 1,492,337.80, 2,238,506.70 and 860,926.60

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Solution

The fourth proportional to 1,492,337.80, 2,238,506.70 and 860,926.60 is: 1,291,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,337.80 : 2,238,506.70 = 860,926.60 : x
  2. Step 2: Convert to fraction form
    1,492,337.80/2,238,506.70 = 860,926.60/x
  3. Step 3: Cross multiply
    1,492,337.80x = 2,238,506.70 × 860,926.60
  4. Step 4: Simplify right side
    1,492,337.80x = 1,927,189,962,308.22
  5. Step 5: Solve for x
    x = 1,927,189,962,308.22/1,492,337.80
  6. Step 6: Final answer
    x = 1,291,389.90

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Similar ratio
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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.