Home / 1,310,539.13-1,966,136.21-1,041,681.65

Finding the Fourth Proportional to 1,310,539.13, 1,966,136.21 and 1,041,681.65

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Solution

The fourth proportional to 1,310,539.13, 1,966,136.21 and 1,041,681.65 is: 1,562,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,539.13 : 1,966,136.21 = 1,041,681.65 : x
  2. Step 2: Convert to fraction form
    1,310,539.13/1,966,136.21 = 1,041,681.65/x
  3. Step 3: Cross multiply
    1,310,539.13x = 1,966,136.21 × 1,041,681.65
  4. Step 4: Simplify right side
    1,310,539.13x = 2,048,088,018,877.09
  5. Step 5: Solve for x
    x = 2,048,088,018,877.09/1,310,539.13
  6. Step 6: Final answer
    x = 1,562,782.81

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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.