Home / 1,105,303.04-1,525,302.56-621,867.03

Finding the Fourth Proportional to 1,105,303.04, 1,525,302.56 and 621,867.03

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Solution

The fourth proportional to 1,105,303.04, 1,525,302.56 and 621,867.03 is: 858,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,303.04 : 1,525,302.56 = 621,867.03 : x
  2. Step 2: Convert to fraction form
    1,105,303.04/1,525,302.56 = 621,867.03/x
  3. Step 3: Cross multiply
    1,105,303.04x = 1,525,302.56 × 621,867.03
  4. Step 4: Simplify right side
    1,105,303.04x = 948,535,372,838.60
  5. Step 5: Solve for x
    x = 948,535,372,838.60/1,105,303.04
  6. Step 6: Final answer
    x = 858,167.70

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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.