Home / 1,393,505.79-2,090,034.95-382,391.61

Finding the Fourth Proportional to 1,393,505.79, 2,090,034.95 and 382,391.61

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Solution

The fourth proportional to 1,393,505.79, 2,090,034.95 and 382,391.61 is: 573,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,505.79 : 2,090,034.95 = 382,391.61 : x
  2. Step 2: Convert to fraction form
    1,393,505.79/2,090,034.95 = 382,391.61/x
  3. Step 3: Cross multiply
    1,393,505.79x = 2,090,034.95 × 382,391.61
  4. Step 4: Simplify right side
    1,393,505.79x = 799,211,827,574.81
  5. Step 5: Solve for x
    x = 799,211,827,574.81/1,393,505.79
  6. Step 6: Final answer
    x = 573,526.02

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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.