Home / 1,457,970.86-2,011,960.80-813,374.48

Finding the Fourth Proportional to 1,457,970.86, 2,011,960.80 and 813,374.48

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Solution

The fourth proportional to 1,457,970.86, 2,011,960.80 and 813,374.48 is: 1,122,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,970.86 : 2,011,960.80 = 813,374.48 : x
  2. Step 2: Convert to fraction form
    1,457,970.86/2,011,960.80 = 813,374.48/x
  3. Step 3: Cross multiply
    1,457,970.86x = 2,011,960.80 × 813,374.48
  4. Step 4: Simplify right side
    1,457,970.86x = 1,636,477,559,420.58
  5. Step 5: Solve for x
    x = 1,636,477,559,420.58/1,457,970.86
  6. Step 6: Final answer
    x = 1,122,435.03

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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.