Home / 1,293,713.59-1,931,473.99-988,510.45

Finding the Fourth Proportional to 1,293,713.59, 1,931,473.99 and 988,510.45

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Solution

The fourth proportional to 1,293,713.59, 1,931,473.99 and 988,510.45 is: 1,475,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,713.59 : 1,931,473.99 = 988,510.45 : x
  2. Step 2: Convert to fraction form
    1,293,713.59/1,931,473.99 = 988,510.45/x
  3. Step 3: Cross multiply
    1,293,713.59x = 1,931,473.99 × 988,510.45
  4. Step 4: Simplify right side
    1,293,713.59x = 1,909,282,213,360.83
  5. Step 5: Solve for x
    x = 1,909,282,213,360.83/1,293,713.59
  6. Step 6: Final answer
    x = 1,475,815.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.