Home / 1,421,384.16-2,132,297.80-852,631.58

Finding the Fourth Proportional to 1,421,384.16, 2,132,297.80 and 852,631.58

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Solution

The fourth proportional to 1,421,384.16, 2,132,297.80 and 852,631.58 is: 1,279,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,384.16 : 2,132,297.80 = 852,631.58 : x
  2. Step 2: Convert to fraction form
    1,421,384.16/2,132,297.80 = 852,631.58/x
  3. Step 3: Cross multiply
    1,421,384.16x = 2,132,297.80 × 852,631.58
  4. Step 4: Simplify right side
    1,421,384.16x = 1,818,064,442,244.52
  5. Step 5: Solve for x
    x = 1,818,064,442,244.52/1,421,384.16
  6. Step 6: Final answer
    x = 1,279,080.27

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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.