Home / 1,407,077.79-2,113,440.81-839,566.17

Finding the Fourth Proportional to 1,407,077.79, 2,113,440.81 and 839,566.17

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Solution

The fourth proportional to 1,407,077.79, 2,113,440.81 and 839,566.17 is: 1,261,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,077.79 : 2,113,440.81 = 839,566.17 : x
  2. Step 2: Convert to fraction form
    1,407,077.79/2,113,440.81 = 839,566.17/x
  3. Step 3: Cross multiply
    1,407,077.79x = 2,113,440.81 × 839,566.17
  4. Step 4: Simplify right side
    1,407,077.79x = 1,774,373,406,373.40
  5. Step 5: Solve for x
    x = 1,774,373,406,373.40/1,407,077.79
  6. Step 6: Final answer
    x = 1,261,034.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.