Home / 1,501,386.76-2,071,904.20-813,047.64

Finding the Fourth Proportional to 1,501,386.76, 2,071,904.20 and 813,047.64

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Solution

The fourth proportional to 1,501,386.76, 2,071,904.20 and 813,047.64 is: 1,122,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,386.76 : 2,071,904.20 = 813,047.64 : x
  2. Step 2: Convert to fraction form
    1,501,386.76/2,071,904.20 = 813,047.64/x
  3. Step 3: Cross multiply
    1,501,386.76x = 2,071,904.20 × 813,047.64
  4. Step 4: Simplify right side
    1,501,386.76x = 1,684,556,820,116.09
  5. Step 5: Solve for x
    x = 1,684,556,820,116.09/1,501,386.76
  6. Step 6: Final answer
    x = 1,122,000.58

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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.