Home / 1,029,148.88-1,420,225.45-626,740.88

Finding the Fourth Proportional to 1,029,148.88, 1,420,225.45 and 626,740.88

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Solution

The fourth proportional to 1,029,148.88, 1,420,225.45 and 626,740.88 is: 864,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,148.88 : 1,420,225.45 = 626,740.88 : x
  2. Step 2: Convert to fraction form
    1,029,148.88/1,420,225.45 = 626,740.88/x
  3. Step 3: Cross multiply
    1,029,148.88x = 1,420,225.45 × 626,740.88
  4. Step 4: Simplify right side
    1,029,148.88x = 890,113,339,663.42
  5. Step 5: Solve for x
    x = 890,113,339,663.42/1,029,148.88
  6. Step 6: Final answer
    x = 864,902.41

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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.