Home / 1,009,168.86-1,513,753.28-692,666.22

Finding the Fourth Proportional to 1,009,168.86, 1,513,753.28 and 692,666.22

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Solution

The fourth proportional to 1,009,168.86, 1,513,753.28 and 692,666.22 is: 1,038,999.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,168.86 : 1,513,753.28 = 692,666.22 : x
  2. Step 2: Convert to fraction form
    1,009,168.86/1,513,753.28 = 692,666.22/x
  3. Step 3: Cross multiply
    1,009,168.86x = 1,513,753.28 × 692,666.22
  4. Step 4: Simplify right side
    1,009,168.86x = 1,048,525,762,470.20
  5. Step 5: Solve for x
    x = 1,048,525,762,470.20/1,009,168.86
  6. Step 6: Final answer
    x = 1,038,999.32

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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.