Home / 1,425,830.32-2,138,045.28-705,339.52

Finding the Fourth Proportional to 1,425,830.32, 2,138,045.28 and 705,339.52

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Solution

The fourth proportional to 1,425,830.32, 2,138,045.28 and 705,339.52 is: 1,057,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,830.32 : 2,138,045.28 = 705,339.52 : x
  2. Step 2: Convert to fraction form
    1,425,830.32/2,138,045.28 = 705,339.52/x
  3. Step 3: Cross multiply
    1,425,830.32x = 2,138,045.28 × 705,339.52
  4. Step 4: Simplify right side
    1,425,830.32x = 1,508,047,831,533.47
  5. Step 5: Solve for x
    x = 1,508,047,831,533.47/1,425,830.32
  6. Step 6: Final answer
    x = 1,057,662.90

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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.