Home / 1,006,842-1,389,442.32-554,123.28

Finding the Fourth Proportional to 1,006,842, 1,389,442.32 and 554,123.28

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Solution

The fourth proportional to 1,006,842, 1,389,442.32 and 554,123.28 is: 764,690.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,842 : 1,389,442.32 = 554,123.28 : x
  2. Step 2: Convert to fraction form
    1,006,842/1,389,442.32 = 554,123.28/x
  3. Step 3: Cross multiply
    1,006,842x = 1,389,442.32 × 554,123.28
  4. Step 4: Simplify right side
    1,006,842x = 769,922,335,729.21
  5. Step 5: Solve for x
    x = 769,922,335,729.21/1,006,842
  6. Step 6: Final answer
    x = 764,690.32

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1.5x scale

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.