Home / 1,013,783.34-1,521,012.81-339,931.26

Finding the Fourth Proportional to 1,013,783.34, 1,521,012.81 and 339,931.26

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Solution

The fourth proportional to 1,013,783.34, 1,521,012.81 and 339,931.26 is: 510,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,783.34 : 1,521,012.81 = 339,931.26 : x
  2. Step 2: Convert to fraction form
    1,013,783.34/1,521,012.81 = 339,931.26/x
  3. Step 3: Cross multiply
    1,013,783.34x = 1,521,012.81 × 339,931.26
  4. Step 4: Simplify right side
    1,013,783.34x = 517,039,800,979.44
  5. Step 5: Solve for x
    x = 517,039,800,979.44/1,013,783.34
  6. Step 6: Final answer
    x = 510,010.16

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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.