Home / 1,240,122.40-1,860,356.40-530,144.80

Finding the Fourth Proportional to 1,240,122.40, 1,860,356.40 and 530,144.80

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Solution

The fourth proportional to 1,240,122.40, 1,860,356.40 and 530,144.80 is: 795,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,122.40 : 1,860,356.40 = 530,144.80 : x
  2. Step 2: Convert to fraction form
    1,240,122.40/1,860,356.40 = 530,144.80/x
  3. Step 3: Cross multiply
    1,240,122.40x = 1,860,356.40 × 530,144.80
  4. Step 4: Simplify right side
    1,240,122.40x = 986,258,271,606.72
  5. Step 5: Solve for x
    x = 986,258,271,606.72/1,240,122.40
  6. Step 6: Final answer
    x = 795,291.07

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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.