Home / 1,158,384.07-1,596,798.03-813,251.80

Finding the Fourth Proportional to 1,158,384.07, 1,596,798.03 and 813,251.80

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Solution

The fourth proportional to 1,158,384.07, 1,596,798.03 and 813,251.80 is: 1,121,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,384.07 : 1,596,798.03 = 813,251.80 : x
  2. Step 2: Convert to fraction form
    1,158,384.07/1,596,798.03 = 813,251.80/x
  3. Step 3: Cross multiply
    1,158,384.07x = 1,596,798.03 × 813,251.80
  4. Step 4: Simplify right side
    1,158,384.07x = 1,298,598,872,133.95
  5. Step 5: Solve for x
    x = 1,298,598,872,133.95/1,158,384.07
  6. Step 6: Final answer
    x = 1,121,043.45

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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.