Home / 1,152,464.47-1,728,700.80-353,746.09

Finding the Fourth Proportional to 1,152,464.47, 1,728,700.80 and 353,746.09

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Solution

The fourth proportional to 1,152,464.47, 1,728,700.80 and 353,746.09 is: 530,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,464.47 : 1,728,700.80 = 353,746.09 : x
  2. Step 2: Convert to fraction form
    1,152,464.47/1,728,700.80 = 353,746.09/x
  3. Step 3: Cross multiply
    1,152,464.47x = 1,728,700.80 × 353,746.09
  4. Step 4: Simplify right side
    1,152,464.47x = 611,521,148,779.87
  5. Step 5: Solve for x
    x = 611,521,148,779.87/1,152,464.47
  6. Step 6: Final answer
    x = 530,620.39

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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.