Home / 1,612,705.25-2,225,488.47-915,113.10

Finding the Fourth Proportional to 1,612,705.25, 2,225,488.47 and 915,113.10

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Solution

The fourth proportional to 1,612,705.25, 2,225,488.47 and 915,113.10 is: 1,262,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,705.25 : 2,225,488.47 = 915,113.10 : x
  2. Step 2: Convert to fraction form
    1,612,705.25/2,225,488.47 = 915,113.10/x
  3. Step 3: Cross multiply
    1,612,705.25x = 2,225,488.47 × 915,113.10
  4. Step 4: Simplify right side
    1,612,705.25x = 2,036,573,652,795.96
  5. Step 5: Solve for x
    x = 2,036,573,652,795.96/1,612,705.25
  6. Step 6: Final answer
    x = 1,262,830.67

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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.