Home / 1,291,232.04-1,781,913.80-710,462.76

Finding the Fourth Proportional to 1,291,232.04, 1,781,913.80 and 710,462.76

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Solution

The fourth proportional to 1,291,232.04, 1,781,913.80 and 710,462.76 is: 980,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,232.04 : 1,781,913.80 = 710,462.76 : x
  2. Step 2: Convert to fraction form
    1,291,232.04/1,781,913.80 = 710,462.76/x
  3. Step 3: Cross multiply
    1,291,232.04x = 1,781,913.80 × 710,462.76
  4. Step 4: Simplify right side
    1,291,232.04x = 1,265,983,396,430.09
  5. Step 5: Solve for x
    x = 1,265,983,396,430.09/1,291,232.04
  6. Step 6: Final answer
    x = 980,446.08

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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.