Home / 1,587,005.19-2,190,737.39-1,071,457.50

Finding the Fourth Proportional to 1,587,005.19, 2,190,737.39 and 1,071,457.50

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Solution

The fourth proportional to 1,587,005.19, 2,190,737.39 and 1,071,457.50 is: 1,479,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,005.19 : 2,190,737.39 = 1,071,457.50 : x
  2. Step 2: Convert to fraction form
    1,587,005.19/2,190,737.39 = 1,071,457.50/x
  3. Step 3: Cross multiply
    1,587,005.19x = 2,190,737.39 × 1,071,457.50
  4. Step 4: Simplify right side
    1,587,005.19x = 2,347,282,007,045.93
  5. Step 5: Solve for x
    x = 2,347,282,007,045.93/1,587,005.19
  6. Step 6: Final answer
    x = 1,479,063.85

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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.