Home / 1,013,492.39-1,398,619.62-554,607.05

Finding the Fourth Proportional to 1,013,492.39, 1,398,619.62 and 554,607.05

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Solution

The fourth proportional to 1,013,492.39, 1,398,619.62 and 554,607.05 is: 765,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,492.39 : 1,398,619.62 = 554,607.05 : x
  2. Step 2: Convert to fraction form
    1,013,492.39/1,398,619.62 = 554,607.05/x
  3. Step 3: Cross multiply
    1,013,492.39x = 1,398,619.62 × 554,607.05
  4. Step 4: Simplify right side
    1,013,492.39x = 775,684,294,527.22
  5. Step 5: Solve for x
    x = 775,684,294,527.22/1,013,492.39
  6. Step 6: Final answer
    x = 765,357.79

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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.