Home / 1,210,612.88-1,670,522.16-745,392.88

Finding the Fourth Proportional to 1,210,612.88, 1,670,522.16 and 745,392.88

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Solution

The fourth proportional to 1,210,612.88, 1,670,522.16 and 745,392.88 is: 1,028,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,612.88 : 1,670,522.16 = 745,392.88 : x
  2. Step 2: Convert to fraction form
    1,210,612.88/1,670,522.16 = 745,392.88/x
  3. Step 3: Cross multiply
    1,210,612.88x = 1,670,522.16 × 745,392.88
  4. Step 4: Simplify right side
    1,210,612.88x = 1,245,195,323,946.22
  5. Step 5: Solve for x
    x = 1,245,195,323,946.22/1,210,612.88
  6. Step 6: Final answer
    x = 1,028,566.06

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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.