Home / 1,030,021.38-1,421,432.57-571,168.28

Finding the Fourth Proportional to 1,030,021.38, 1,421,432.57 and 571,168.28

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Solution

The fourth proportional to 1,030,021.38, 1,421,432.57 and 571,168.28 is: 788,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,021.38 : 1,421,432.57 = 571,168.28 : x
  2. Step 2: Convert to fraction form
    1,030,021.38/1,421,432.57 = 571,168.28/x
  3. Step 3: Cross multiply
    1,030,021.38x = 1,421,432.57 × 571,168.28
  4. Step 4: Simplify right side
    1,030,021.38x = 811,877,196,142.88
  5. Step 5: Solve for x
    x = 811,877,196,142.88/1,030,021.38
  6. Step 6: Final answer
    x = 788,213.93

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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.