Home / 1,187,002.48-1,637,159.57-1,021,711.74

Finding the Fourth Proportional to 1,187,002.48, 1,637,159.57 and 1,021,711.74

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Solution

The fourth proportional to 1,187,002.48, 1,637,159.57 and 1,021,711.74 is: 1,409,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,002.48 : 1,637,159.57 = 1,021,711.74 : x
  2. Step 2: Convert to fraction form
    1,187,002.48/1,637,159.57 = 1,021,711.74/x
  3. Step 3: Cross multiply
    1,187,002.48x = 1,637,159.57 × 1,021,711.74
  4. Step 4: Simplify right side
    1,187,002.48x = 1,672,705,139,628.00
  5. Step 5: Solve for x
    x = 1,672,705,139,628.00/1,187,002.48
  6. Step 6: Final answer
    x = 1,409,184.21

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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.