Home / 1,292,055.40-1,783,018.68-719,095.48

Finding the Fourth Proportional to 1,292,055.40, 1,783,018.68 and 719,095.48

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Solution

The fourth proportional to 1,292,055.40, 1,783,018.68 and 719,095.48 is: 992,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,055.40 : 1,783,018.68 = 719,095.48 : x
  2. Step 2: Convert to fraction form
    1,292,055.40/1,783,018.68 = 719,095.48/x
  3. Step 3: Cross multiply
    1,292,055.40x = 1,783,018.68 × 719,095.48
  4. Step 4: Simplify right side
    1,292,055.40x = 1,282,160,673,543.57
  5. Step 5: Solve for x
    x = 1,282,160,673,543.57/1,292,055.40
  6. Step 6: Final answer
    x = 992,341.87

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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.