Home / 1,916,491.89-2,875,134.60-779,254.23

Finding the Fourth Proportional to 1,916,491.89, 2,875,134.60 and 779,254.23

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Solution

The fourth proportional to 1,916,491.89, 2,875,134.60 and 779,254.23 is: 1,169,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,491.89 : 2,875,134.60 = 779,254.23 : x
  2. Step 2: Convert to fraction form
    1,916,491.89/2,875,134.60 = 779,254.23/x
  3. Step 3: Cross multiply
    1,916,491.89x = 2,875,134.60 × 779,254.23
  4. Step 4: Simplify right side
    1,916,491.89x = 2,240,460,798,869.36
  5. Step 5: Solve for x
    x = 2,240,460,798,869.36/1,916,491.89
  6. Step 6: Final answer
    x = 1,169,042.67

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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.