Home / 1,316,431.80-1,974,501.90-369,898.20

Finding the Fourth Proportional to 1,316,431.80, 1,974,501.90 and 369,898.20

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Solution

The fourth proportional to 1,316,431.80, 1,974,501.90 and 369,898.20 is: 554,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,431.80 : 1,974,501.90 = 369,898.20 : x
  2. Step 2: Convert to fraction form
    1,316,431.80/1,974,501.90 = 369,898.20/x
  3. Step 3: Cross multiply
    1,316,431.80x = 1,974,501.90 × 369,898.20
  4. Step 4: Simplify right side
    1,316,431.80x = 730,364,698,706.58
  5. Step 5: Solve for x
    x = 730,364,698,706.58/1,316,431.80
  6. Step 6: Final answer
    x = 554,806.33

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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.