Home / 1,447,707.02-1,997,838.03-803,127.22

Finding the Fourth Proportional to 1,447,707.02, 1,997,838.03 and 803,127.22

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Solution

The fourth proportional to 1,447,707.02, 1,997,838.03 and 803,127.22 is: 1,108,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,707.02 : 1,997,838.03 = 803,127.22 : x
  2. Step 2: Convert to fraction form
    1,447,707.02/1,997,838.03 = 803,127.22/x
  3. Step 3: Cross multiply
    1,447,707.02x = 1,997,838.03 × 803,127.22
  4. Step 4: Simplify right side
    1,447,707.02x = 1,604,518,101,061.31
  5. Step 5: Solve for x
    x = 1,604,518,101,061.31/1,447,707.02
  6. Step 6: Final answer
    x = 1,108,316.87

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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.