Home / 1,303,384.42-1,798,157.35-813,068.61

Finding the Fourth Proportional to 1,303,384.42, 1,798,157.35 and 813,068.61

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Solution

The fourth proportional to 1,303,384.42, 1,798,157.35 and 813,068.61 is: 1,121,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,384.42 : 1,798,157.35 = 813,068.61 : x
  2. Step 2: Convert to fraction form
    1,303,384.42/1,798,157.35 = 813,068.61/x
  3. Step 3: Cross multiply
    1,303,384.42x = 1,798,157.35 × 813,068.61
  4. Step 4: Simplify right side
    1,303,384.42x = 1,462,025,297,125.78
  5. Step 5: Solve for x
    x = 1,462,025,297,125.78/1,303,384.42
  6. Step 6: Final answer
    x = 1,121,714.57

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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.