Home / 1,487,929.42-2,232,526.02-813,222.46

Finding the Fourth Proportional to 1,487,929.42, 2,232,526.02 and 813,222.46

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Solution

The fourth proportional to 1,487,929.42, 2,232,526.02 and 813,222.46 is: 1,220,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,929.42 : 2,232,526.02 = 813,222.46 : x
  2. Step 2: Convert to fraction form
    1,487,929.42/2,232,526.02 = 813,222.46/x
  3. Step 3: Cross multiply
    1,487,929.42x = 2,232,526.02 × 813,222.46
  4. Step 4: Simplify right side
    1,487,929.42x = 1,815,540,301,998.41
  5. Step 5: Solve for x
    x = 1,815,540,301,998.41/1,487,929.42
  6. Step 6: Final answer
    x = 1,220,179.05

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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.