Home / 1,424,300.61-1,965,531.57-779,715.17

Finding the Fourth Proportional to 1,424,300.61, 1,965,531.57 and 779,715.17

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Solution

The fourth proportional to 1,424,300.61, 1,965,531.57 and 779,715.17 is: 1,076,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,300.61 : 1,965,531.57 = 779,715.17 : x
  2. Step 2: Convert to fraction form
    1,424,300.61/1,965,531.57 = 779,715.17/x
  3. Step 3: Cross multiply
    1,424,300.61x = 1,965,531.57 × 779,715.17
  4. Step 4: Simplify right side
    1,424,300.61x = 1,532,554,772,415.26
  5. Step 5: Solve for x
    x = 1,532,554,772,415.26/1,424,300.61
  6. Step 6: Final answer
    x = 1,076,005.14

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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.