Home / 1,280,440.84-1,767,004.72-707,476.94

Finding the Fourth Proportional to 1,280,440.84, 1,767,004.72 and 707,476.94

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Solution

The fourth proportional to 1,280,440.84, 1,767,004.72 and 707,476.94 is: 976,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,440.84 : 1,767,004.72 = 707,476.94 : x
  2. Step 2: Convert to fraction form
    1,280,440.84/1,767,004.72 = 707,476.94/x
  3. Step 3: Cross multiply
    1,280,440.84x = 1,767,004.72 × 707,476.94
  4. Step 4: Simplify right side
    1,280,440.84x = 1,250,115,092,271.16
  5. Step 5: Solve for x
    x = 1,250,115,092,271.16/1,280,440.84
  6. Step 6: Final answer
    x = 976,316.17

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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.