Home / 1,780,479.64-2,457,058.51-964,705.40

Finding the Fourth Proportional to 1,780,479.64, 2,457,058.51 and 964,705.40

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Solution

The fourth proportional to 1,780,479.64, 2,457,058.51 and 964,705.40 is: 1,331,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,479.64 : 2,457,058.51 = 964,705.40 : x
  2. Step 2: Convert to fraction form
    1,780,479.64/2,457,058.51 = 964,705.40/x
  3. Step 3: Cross multiply
    1,780,479.64x = 2,457,058.51 × 964,705.40
  4. Step 4: Simplify right side
    1,780,479.64x = 2,370,337,605,421.05
  5. Step 5: Solve for x
    x = 2,370,337,605,421.05/1,780,479.64
  6. Step 6: Final answer
    x = 1,331,291.61

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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.