Home / 915,897.02-1,262,477.48-721,988.51

Finding the Fourth Proportional to 915,897.02, 1,262,477.48 and 721,988.51

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Solution

The fourth proportional to 915,897.02, 1,262,477.48 and 721,988.51 is: 995,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,897.02 : 1,262,477.48 = 721,988.51 : x
  2. Step 2: Convert to fraction form
    915,897.02/1,262,477.48 = 721,988.51/x
  3. Step 3: Cross multiply
    915,897.02x = 1,262,477.48 × 721,988.51
  4. Step 4: Simplify right side
    915,897.02x = 911,494,224,771.43
  5. Step 5: Solve for x
    x = 911,494,224,771.43/915,897.02
  6. Step 6: Final answer
    x = 995,192.92

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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.