Home / 1,121,622.63-1,547,831.34-612,325.01

Finding the Fourth Proportional to 1,121,622.63, 1,547,831.34 and 612,325.01

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Solution

The fourth proportional to 1,121,622.63, 1,547,831.34 and 612,325.01 is: 845,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,622.63 : 1,547,831.34 = 612,325.01 : x
  2. Step 2: Convert to fraction form
    1,121,622.63/1,547,831.34 = 612,325.01/x
  3. Step 3: Cross multiply
    1,121,622.63x = 1,547,831.34 × 612,325.01
  4. Step 4: Simplify right side
    1,121,622.63x = 947,775,833,004.66
  5. Step 5: Solve for x
    x = 947,775,833,004.66/1,121,622.63
  6. Step 6: Final answer
    x = 845,004.20

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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.