Home / 1,457,909.64-2,011,916.16-813,329.83

Finding the Fourth Proportional to 1,457,909.64, 2,011,916.16 and 813,329.83

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Solution

The fourth proportional to 1,457,909.64, 2,011,916.16 and 813,329.83 is: 1,122,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,909.64 : 2,011,916.16 = 813,329.83 : x
  2. Step 2: Convert to fraction form
    1,457,909.64/2,011,916.16 = 813,329.83/x
  3. Step 3: Cross multiply
    1,457,909.64x = 2,011,916.16 × 813,329.83
  4. Step 4: Simplify right side
    1,457,909.64x = 1,636,351,426,407.25
  5. Step 5: Solve for x
    x = 1,636,351,426,407.25/1,457,909.64
  6. Step 6: Final answer
    x = 1,122,395.64

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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.