Home / 1,407,903.12-2,112,482.43-649,336.50

Finding the Fourth Proportional to 1,407,903.12, 2,112,482.43 and 649,336.50

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Solution

The fourth proportional to 1,407,903.12, 2,112,482.43 and 649,336.50 is: 974,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,903.12 : 2,112,482.43 = 649,336.50 : x
  2. Step 2: Convert to fraction form
    1,407,903.12/2,112,482.43 = 649,336.50/x
  3. Step 3: Cross multiply
    1,407,903.12x = 2,112,482.43 × 649,336.50
  4. Step 4: Simplify right side
    1,407,903.12x = 1,371,711,947,407.70
  5. Step 5: Solve for x
    x = 1,371,711,947,407.70/1,407,903.12
  6. Step 6: Final answer
    x = 974,294.27

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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.