Home / 1,703,708.40-2,553,229.80-1,388,780.40

Finding the Fourth Proportional to 1,703,708.40, 2,553,229.80 and 1,388,780.40

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Solution

The fourth proportional to 1,703,708.40, 2,553,229.80 and 1,388,780.40 is: 2,081,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,708.40 : 2,553,229.80 = 1,388,780.40 : x
  2. Step 2: Convert to fraction form
    1,703,708.40/2,553,229.80 = 1,388,780.40/x
  3. Step 3: Cross multiply
    1,703,708.40x = 2,553,229.80 × 1,388,780.40
  4. Step 4: Simplify right side
    1,703,708.40x = 3,545,875,502,935.92
  5. Step 5: Solve for x
    x = 3,545,875,502,935.92/1,703,708.40
  6. Step 6: Final answer
    x = 2,081,269.01

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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.