Home / 1,333,779.50-1,840,615.80-730,167.50

Finding the Fourth Proportional to 1,333,779.50, 1,840,615.80 and 730,167.50

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Solution

The fourth proportional to 1,333,779.50, 1,840,615.80 and 730,167.50 is: 1,007,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,779.50 : 1,840,615.80 = 730,167.50 : x
  2. Step 2: Convert to fraction form
    1,333,779.50/1,840,615.80 = 730,167.50/x
  3. Step 3: Cross multiply
    1,333,779.50x = 1,840,615.80 × 730,167.50
  4. Step 4: Simplify right side
    1,333,779.50x = 1,343,957,837,146.50
  5. Step 5: Solve for x
    x = 1,343,957,837,146.50/1,333,779.50
  6. Step 6: Final answer
    x = 1,007,631.20

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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.