Home / 1,424,896-1,966,332.60-771,516.40

Finding the Fourth Proportional to 1,424,896, 1,966,332.60 and 771,516.40

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Solution

The fourth proportional to 1,424,896, 1,966,332.60 and 771,516.40 is: 1,064,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,896 : 1,966,332.60 = 771,516.40 : x
  2. Step 2: Convert to fraction form
    1,424,896/1,966,332.60 = 771,516.40/x
  3. Step 3: Cross multiply
    1,424,896x = 1,966,332.60 × 771,516.40
  4. Step 4: Simplify right side
    1,424,896x = 1,517,057,848,754.64
  5. Step 5: Solve for x
    x = 1,517,057,848,754.64/1,424,896
  6. Step 6: Final answer
    x = 1,064,679.70

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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.