Home / 1,369,666.40-1,890,195.34-757,809.26

Finding the Fourth Proportional to 1,369,666.40, 1,890,195.34 and 757,809.26

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Solution

The fourth proportional to 1,369,666.40, 1,890,195.34 and 757,809.26 is: 1,045,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,666.40 : 1,890,195.34 = 757,809.26 : x
  2. Step 2: Convert to fraction form
    1,369,666.40/1,890,195.34 = 757,809.26/x
  3. Step 3: Cross multiply
    1,369,666.40x = 1,890,195.34 × 757,809.26
  4. Step 4: Simplify right side
    1,369,666.40x = 1,432,407,528,071.80
  5. Step 5: Solve for x
    x = 1,432,407,528,071.80/1,369,666.40
  6. Step 6: Final answer
    x = 1,045,807.60

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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.