Home / 1,292,967.16-1,939,756.02-406,503.16

Finding the Fourth Proportional to 1,292,967.16, 1,939,756.02 and 406,503.16

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Solution

The fourth proportional to 1,292,967.16, 1,939,756.02 and 406,503.16 is: 609,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,967.16 : 1,939,756.02 = 406,503.16 : x
  2. Step 2: Convert to fraction form
    1,292,967.16/1,939,756.02 = 406,503.16/x
  3. Step 3: Cross multiply
    1,292,967.16x = 1,939,756.02 × 406,503.16
  4. Step 4: Simplify right side
    1,292,967.16x = 788,516,951,759.02
  5. Step 5: Solve for x
    x = 788,516,951,759.02/1,292,967.16
  6. Step 6: Final answer
    x = 609,850.72

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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.