Home / 1,316,090.91-1,974,136.38-474,642.66

Finding the Fourth Proportional to 1,316,090.91, 1,974,136.38 and 474,642.66

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Solution

The fourth proportional to 1,316,090.91, 1,974,136.38 and 474,642.66 is: 711,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,090.91 : 1,974,136.38 = 474,642.66 : x
  2. Step 2: Convert to fraction form
    1,316,090.91/1,974,136.38 = 474,642.66/x
  3. Step 3: Cross multiply
    1,316,090.91x = 1,974,136.38 × 474,642.66
  4. Step 4: Simplify right side
    1,316,090.91x = 937,009,342,605.97
  5. Step 5: Solve for x
    x = 937,009,342,605.97/1,316,090.91
  6. Step 6: Final answer
    x = 711,964.00

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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.