Home / 1,030,203.72-1,421,727.03-571,287.51

Finding the Fourth Proportional to 1,030,203.72, 1,421,727.03 and 571,287.51

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Solution

The fourth proportional to 1,030,203.72, 1,421,727.03 and 571,287.51 is: 788,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,203.72 : 1,421,727.03 = 571,287.51 : x
  2. Step 2: Convert to fraction form
    1,030,203.72/1,421,727.03 = 571,287.51/x
  3. Step 3: Cross multiply
    1,030,203.72x = 1,421,727.03 × 571,287.51
  4. Step 4: Simplify right side
    1,030,203.72x = 812,214,894,868.40
  5. Step 5: Solve for x
    x = 812,214,894,868.40/1,030,203.72
  6. Step 6: Final answer
    x = 788,402.22

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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.