Home / 1,397,783.20-2,094,860.40-648,234.40

Finding the Fourth Proportional to 1,397,783.20, 2,094,860.40 and 648,234.40

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Solution

The fourth proportional to 1,397,783.20, 2,094,860.40 and 648,234.40 is: 971,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,783.20 : 2,094,860.40 = 648,234.40 : x
  2. Step 2: Convert to fraction form
    1,397,783.20/2,094,860.40 = 648,234.40/x
  3. Step 3: Cross multiply
    1,397,783.20x = 2,094,860.40 × 648,234.40
  4. Step 4: Simplify right side
    1,397,783.20x = 1,357,960,574,477.76
  5. Step 5: Solve for x
    x = 1,357,960,574,477.76/1,397,783.20
  6. Step 6: Final answer
    x = 971,510.16

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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.