Home / 1,500,930.38-2,071,284.34-812,602.10

Finding the Fourth Proportional to 1,500,930.38, 2,071,284.34 and 812,602.10

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Solution

The fourth proportional to 1,500,930.38, 2,071,284.34 and 812,602.10 is: 1,121,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,930.38 : 2,071,284.34 = 812,602.10 : x
  2. Step 2: Convert to fraction form
    1,500,930.38/2,071,284.34 = 812,602.10/x
  3. Step 3: Cross multiply
    1,500,930.38x = 2,071,284.34 × 812,602.10
  4. Step 4: Simplify right side
    1,500,930.38x = 1,683,130,004,381.11
  5. Step 5: Solve for x
    x = 1,683,130,004,381.11/1,500,930.38
  6. Step 6: Final answer
    x = 1,121,391.12

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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.