Home / 1,442,219.23-1,990,875.36-898,623.60

Finding the Fourth Proportional to 1,442,219.23, 1,990,875.36 and 898,623.60

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Solution

The fourth proportional to 1,442,219.23, 1,990,875.36 and 898,623.60 is: 1,240,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,219.23 : 1,990,875.36 = 898,623.60 : x
  2. Step 2: Convert to fraction form
    1,442,219.23/1,990,875.36 = 898,623.60/x
  3. Step 3: Cross multiply
    1,442,219.23x = 1,990,875.36 × 898,623.60
  4. Step 4: Simplify right side
    1,442,219.23x = 1,789,047,583,154.50
  5. Step 5: Solve for x
    x = 1,789,047,583,154.50/1,442,219.23
  6. Step 6: Final answer
    x = 1,240,482.41

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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.