Home / 1,258,008.75-1,736,124.95-947,355.21

Finding the Fourth Proportional to 1,258,008.75, 1,736,124.95 and 947,355.21

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Solution

The fourth proportional to 1,258,008.75, 1,736,124.95 and 947,355.21 is: 1,307,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,008.75 : 1,736,124.95 = 947,355.21 : x
  2. Step 2: Convert to fraction form
    1,258,008.75/1,736,124.95 = 947,355.21/x
  3. Step 3: Cross multiply
    1,258,008.75x = 1,736,124.95 × 947,355.21
  4. Step 4: Simplify right side
    1,258,008.75x = 1,644,727,018,961.88
  5. Step 5: Solve for x
    x = 1,644,727,018,961.88/1,258,008.75
  6. Step 6: Final answer
    x = 1,307,405.07

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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.