Home / 1,360,545.69-1,877,630.57-779,865.41

Finding the Fourth Proportional to 1,360,545.69, 1,877,630.57 and 779,865.41

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Solution

The fourth proportional to 1,360,545.69, 1,877,630.57 and 779,865.41 is: 1,076,258.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,545.69 : 1,877,630.57 = 779,865.41 : x
  2. Step 2: Convert to fraction form
    1,360,545.69/1,877,630.57 = 779,865.41/x
  3. Step 3: Cross multiply
    1,360,545.69x = 1,877,630.57 × 779,865.41
  4. Step 4: Simplify right side
    1,360,545.69x = 1,464,299,124,270.34
  5. Step 5: Solve for x
    x = 1,464,299,124,270.34/1,360,545.69
  6. Step 6: Final answer
    x = 1,076,258.70

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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.