Home / 1,152,498.61-1,590,406.35-636,241.43

Finding the Fourth Proportional to 1,152,498.61, 1,590,406.35 and 636,241.43

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Solution

The fourth proportional to 1,152,498.61, 1,590,406.35 and 636,241.43 is: 877,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,498.61 : 1,590,406.35 = 636,241.43 : x
  2. Step 2: Convert to fraction form
    1,152,498.61/1,590,406.35 = 636,241.43/x
  3. Step 3: Cross multiply
    1,152,498.61x = 1,590,406.35 × 636,241.43
  4. Step 4: Simplify right side
    1,152,498.61x = 1,011,882,411,995.19
  5. Step 5: Solve for x
    x = 1,011,882,411,995.19/1,152,498.61
  6. Step 6: Final answer
    x = 877,990.14

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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.