Home / 1,308,854.65-1,964,758.20-1,010,657.20

Finding the Fourth Proportional to 1,308,854.65, 1,964,758.20 and 1,010,657.20

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Solution

The fourth proportional to 1,308,854.65, 1,964,758.20 and 1,010,657.20 is: 1,517,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,854.65 : 1,964,758.20 = 1,010,657.20 : x
  2. Step 2: Convert to fraction form
    1,308,854.65/1,964,758.20 = 1,010,657.20/x
  3. Step 3: Cross multiply
    1,308,854.65x = 1,964,758.20 × 1,010,657.20
  4. Step 4: Simplify right side
    1,308,854.65x = 1,985,697,021,089.04
  5. Step 5: Solve for x
    x = 1,985,697,021,089.04/1,308,854.65
  6. Step 6: Final answer
    x = 1,517,125.70

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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.