Home / 1,470,000.80-2,205,001.20-524,439.20

Finding the Fourth Proportional to 1,470,000.80, 2,205,001.20 and 524,439.20

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Solution

The fourth proportional to 1,470,000.80, 2,205,001.20 and 524,439.20 is: 786,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,000.80 : 2,205,001.20 = 524,439.20 : x
  2. Step 2: Convert to fraction form
    1,470,000.80/2,205,001.20 = 524,439.20/x
  3. Step 3: Cross multiply
    1,470,000.80x = 2,205,001.20 × 524,439.20
  4. Step 4: Simplify right side
    1,470,000.80x = 1,156,389,065,327.04
  5. Step 5: Solve for x
    x = 1,156,389,065,327.04/1,470,000.80
  6. Step 6: Final answer
    x = 786,658.80

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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.