Home / 1,292,956.16-1,939,739.52-406,492.16

Finding the Fourth Proportional to 1,292,956.16, 1,939,739.52 and 406,492.16

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Solution

The fourth proportional to 1,292,956.16, 1,939,739.52 and 406,492.16 is: 609,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,956.16 : 1,939,739.52 = 406,492.16 : x
  2. Step 2: Convert to fraction form
    1,292,956.16/1,939,739.52 = 406,492.16/x
  3. Step 3: Cross multiply
    1,292,956.16x = 1,939,739.52 × 406,492.16
  4. Step 4: Simplify right side
    1,292,956.16x = 788,488,907,322.16
  5. Step 5: Solve for x
    x = 788,488,907,322.16/1,292,956.16
  6. Step 6: Final answer
    x = 609,834.22

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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.