Home / 1,070,712.84-1,477,023.98-634,876.50

Finding the Fourth Proportional to 1,070,712.84, 1,477,023.98 and 634,876.50

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Solution

The fourth proportional to 1,070,712.84, 1,477,023.98 and 634,876.50 is: 875,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,712.84 : 1,477,023.98 = 634,876.50 : x
  2. Step 2: Convert to fraction form
    1,070,712.84/1,477,023.98 = 634,876.50/x
  3. Step 3: Cross multiply
    1,070,712.84x = 1,477,023.98 × 634,876.50
  4. Step 4: Simplify right side
    1,070,712.84x = 937,727,814,838.47
  5. Step 5: Solve for x
    x = 937,727,814,838.47/1,070,712.84
  6. Step 6: Final answer
    x = 875,797.67

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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.