Home / 1,570,355.40-2,166,927.70-882,104.52

Finding the Fourth Proportional to 1,570,355.40, 2,166,927.70 and 882,104.52

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Solution

The fourth proportional to 1,570,355.40, 2,166,927.70 and 882,104.52 is: 1,217,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,355.40 : 2,166,927.70 = 882,104.52 : x
  2. Step 2: Convert to fraction form
    1,570,355.40/2,166,927.70 = 882,104.52/x
  3. Step 3: Cross multiply
    1,570,355.40x = 2,166,927.70 × 882,104.52
  4. Step 4: Simplify right side
    1,570,355.40x = 1,911,456,718,683.20
  5. Step 5: Solve for x
    x = 1,911,456,718,683.20/1,570,355.40
  6. Step 6: Final answer
    x = 1,217,212.82

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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.