Home / 1,021,290.13-1,530,501.44-807,116.51

Finding the Fourth Proportional to 1,021,290.13, 1,530,501.44 and 807,116.51

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Solution

The fourth proportional to 1,021,290.13, 1,530,501.44 and 807,116.51 is: 1,209,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,290.13 : 1,530,501.44 = 807,116.51 : x
  2. Step 2: Convert to fraction form
    1,021,290.13/1,530,501.44 = 807,116.51/x
  3. Step 3: Cross multiply
    1,021,290.13x = 1,530,501.44 × 807,116.51
  4. Step 4: Simplify right side
    1,021,290.13x = 1,235,292,980,802.77
  5. Step 5: Solve for x
    x = 1,235,292,980,802.77/1,021,290.13
  6. Step 6: Final answer
    x = 1,209,541.68

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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.