Home / 1,638,285.04-2,458,534.08-573,336.40

Finding the Fourth Proportional to 1,638,285.04, 2,458,534.08 and 573,336.40

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Solution

The fourth proportional to 1,638,285.04, 2,458,534.08 and 573,336.40 is: 860,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,285.04 : 2,458,534.08 = 573,336.40 : x
  2. Step 2: Convert to fraction form
    1,638,285.04/2,458,534.08 = 573,336.40/x
  3. Step 3: Cross multiply
    1,638,285.04x = 2,458,534.08 × 573,336.40
  4. Step 4: Simplify right side
    1,638,285.04x = 1,409,567,078,704.51
  5. Step 5: Solve for x
    x = 1,409,567,078,704.51/1,638,285.04
  6. Step 6: Final answer
    x = 860,391.84

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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.