Home / 1,345,421.80-1,852,762.98-1,088,813.80

Finding the Fourth Proportional to 1,345,421.80, 1,852,762.98 and 1,088,813.80

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Solution

The fourth proportional to 1,345,421.80, 1,852,762.98 and 1,088,813.80 is: 1,499,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,421.80 : 1,852,762.98 = 1,088,813.80 : x
  2. Step 2: Convert to fraction form
    1,345,421.80/1,852,762.98 = 1,088,813.80/x
  3. Step 3: Cross multiply
    1,345,421.80x = 1,852,762.98 × 1,088,813.80
  4. Step 4: Simplify right side
    1,345,421.80x = 2,017,313,900,753.12
  5. Step 5: Solve for x
    x = 2,017,313,900,753.12/1,345,421.80
  6. Step 6: Final answer
    x = 1,499,391.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.