Home / 1,189,909.04-1,642,065.11-646,033.93

Finding the Fourth Proportional to 1,189,909.04, 1,642,065.11 and 646,033.93

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Solution

The fourth proportional to 1,189,909.04, 1,642,065.11 and 646,033.93 is: 891,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,909.04 : 1,642,065.11 = 646,033.93 : x
  2. Step 2: Convert to fraction form
    1,189,909.04/1,642,065.11 = 646,033.93/x
  3. Step 3: Cross multiply
    1,189,909.04x = 1,642,065.11 × 646,033.93
  4. Step 4: Simplify right side
    1,189,909.04x = 1,060,829,771,416.48
  5. Step 5: Solve for x
    x = 1,060,829,771,416.48/1,189,909.04
  6. Step 6: Final answer
    x = 891,521.74

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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.