Home / 1,225,435.40-1,838,153.10-942,000.20

Finding the Fourth Proportional to 1,225,435.40, 1,838,153.10 and 942,000.20

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Solution

The fourth proportional to 1,225,435.40, 1,838,153.10 and 942,000.20 is: 1,413,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,435.40 : 1,838,153.10 = 942,000.20 : x
  2. Step 2: Convert to fraction form
    1,225,435.40/1,838,153.10 = 942,000.20/x
  3. Step 3: Cross multiply
    1,225,435.40x = 1,838,153.10 × 942,000.20
  4. Step 4: Simplify right side
    1,225,435.40x = 1,731,540,587,830.62
  5. Step 5: Solve for x
    x = 1,731,540,587,830.62/1,225,435.40
  6. Step 6: Final answer
    x = 1,413,000.30

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1.5x scale

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.