Home / 1,036,685.76-1,554,923.47-278,428.70

Finding the Fourth Proportional to 1,036,685.76, 1,554,923.47 and 278,428.70

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Solution

The fourth proportional to 1,036,685.76, 1,554,923.47 and 278,428.70 is: 417,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,685.76 : 1,554,923.47 = 278,428.70 : x
  2. Step 2: Convert to fraction form
    1,036,685.76/1,554,923.47 = 278,428.70/x
  3. Step 3: Cross multiply
    1,036,685.76x = 1,554,923.47 × 278,428.70
  4. Step 4: Simplify right side
    1,036,685.76x = 432,935,320,351.59
  5. Step 5: Solve for x
    x = 432,935,320,351.59/1,036,685.76
  6. Step 6: Final answer
    x = 417,614.80

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1.5x scale

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.