Home / 1,291,197.48-1,781,866.18-710,428.24

Finding the Fourth Proportional to 1,291,197.48, 1,781,866.18 and 710,428.24

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Solution

The fourth proportional to 1,291,197.48, 1,781,866.18 and 710,428.24 is: 980,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,197.48 : 1,781,866.18 = 710,428.24 : x
  2. Step 2: Convert to fraction form
    1,291,197.48/1,781,866.18 = 710,428.24/x
  3. Step 3: Cross multiply
    1,291,197.48x = 1,781,866.18 × 710,428.24
  4. Step 4: Simplify right side
    1,291,197.48x = 1,265,888,054,172.92
  5. Step 5: Solve for x
    x = 1,265,888,054,172.92/1,291,197.48
  6. Step 6: Final answer
    x = 980,398.49

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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.