Home / 1,393,458.78-2,090,194.65-382,594.98

Finding the Fourth Proportional to 1,393,458.78, 2,090,194.65 and 382,594.98

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Solution

The fourth proportional to 1,393,458.78, 2,090,194.65 and 382,594.98 is: 573,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,458.78 : 2,090,194.65 = 382,594.98 : x
  2. Step 2: Convert to fraction form
    1,393,458.78/2,090,194.65 = 382,594.98/x
  3. Step 3: Cross multiply
    1,393,458.78x = 2,090,194.65 × 382,594.98
  4. Step 4: Simplify right side
    1,393,458.78x = 799,697,980,312.86
  5. Step 5: Solve for x
    x = 799,697,980,312.86/1,393,458.78
  6. Step 6: Final answer
    x = 573,894.25

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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.