Home / 991,485.50-1,368,127.56-604,159.80

Finding the Fourth Proportional to 991,485.50, 1,368,127.56 and 604,159.80

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Solution

The fourth proportional to 991,485.50, 1,368,127.56 and 604,159.80 is: 833,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,485.50 : 1,368,127.56 = 604,159.80 : x
  2. Step 2: Convert to fraction form
    991,485.50/1,368,127.56 = 604,159.80/x
  3. Step 3: Cross multiply
    991,485.50x = 1,368,127.56 × 604,159.80
  4. Step 4: Simplify right side
    991,485.50x = 826,567,673,024.09
  5. Step 5: Solve for x
    x = 826,567,673,024.09/991,485.50
  6. Step 6: Final answer
    x = 833,665.93

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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.