Home / 1,138,409.40-1,707,095.70-506,998.20

Finding the Fourth Proportional to 1,138,409.40, 1,707,095.70 and 506,998.20

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Solution

The fourth proportional to 1,138,409.40, 1,707,095.70 and 506,998.20 is: 760,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,409.40 : 1,707,095.70 = 506,998.20 : x
  2. Step 2: Convert to fraction form
    1,138,409.40/1,707,095.70 = 506,998.20/x
  3. Step 3: Cross multiply
    1,138,409.40x = 1,707,095.70 × 506,998.20
  4. Step 4: Simplify right side
    1,138,409.40x = 865,494,447,127.74
  5. Step 5: Solve for x
    x = 865,494,447,127.74/1,138,409.40
  6. Step 6: Final answer
    x = 760,266.43

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1.5x scale

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.