Home / 1,424,663.44-1,966,038.72-771,296.34

Finding the Fourth Proportional to 1,424,663.44, 1,966,038.72 and 771,296.34

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Solution

The fourth proportional to 1,424,663.44, 1,966,038.72 and 771,296.34 is: 1,064,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,663.44 : 1,966,038.72 = 771,296.34 : x
  2. Step 2: Convert to fraction form
    1,424,663.44/1,966,038.72 = 771,296.34/x
  3. Step 3: Cross multiply
    1,424,663.44x = 1,966,038.72 × 771,296.34
  4. Step 4: Simplify right side
    1,424,663.44x = 1,516,398,469,034.28
  5. Step 5: Solve for x
    x = 1,516,398,469,034.28/1,424,663.44
  6. Step 6: Final answer
    x = 1,064,390.67

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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.