Home / 1,061,668.20-1,592,492.40-430,431.96

Finding the Fourth Proportional to 1,061,668.20, 1,592,492.40 and 430,431.96

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Solution

The fourth proportional to 1,061,668.20, 1,592,492.40 and 430,431.96 is: 645,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,668.20 : 1,592,492.40 = 430,431.96 : x
  2. Step 2: Convert to fraction form
    1,061,668.20/1,592,492.40 = 430,431.96/x
  3. Step 3: Cross multiply
    1,061,668.20x = 1,592,492.40 × 430,431.96
  4. Step 4: Simplify right side
    1,061,668.20x = 685,459,625,017.10
  5. Step 5: Solve for x
    x = 685,459,625,017.10/1,061,668.20
  6. Step 6: Final answer
    x = 645,643.93

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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.