Home / 1,004,678.46-1,386,450.78-545,789.40

Finding the Fourth Proportional to 1,004,678.46, 1,386,450.78 and 545,789.40

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Solution

The fourth proportional to 1,004,678.46, 1,386,450.78 and 545,789.40 is: 753,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,678.46 : 1,386,450.78 = 545,789.40 : x
  2. Step 2: Convert to fraction form
    1,004,678.46/1,386,450.78 = 545,789.40/x
  3. Step 3: Cross multiply
    1,004,678.46x = 1,386,450.78 × 545,789.40
  4. Step 4: Simplify right side
    1,004,678.46x = 756,710,139,345.73
  5. Step 5: Solve for x
    x = 756,710,139,345.73/1,004,678.46
  6. Step 6: Final answer
    x = 753,186.39

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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.