Home / 1,316,225.41-1,974,965.07-912,040.96

Finding the Fourth Proportional to 1,316,225.41, 1,974,965.07 and 912,040.96

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Solution

The fourth proportional to 1,316,225.41, 1,974,965.07 and 912,040.96 is: 1,368,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,225.41 : 1,974,965.07 = 912,040.96 : x
  2. Step 2: Convert to fraction form
    1,316,225.41/1,974,965.07 = 912,040.96/x
  3. Step 3: Cross multiply
    1,316,225.41x = 1,974,965.07 × 912,040.96
  4. Step 4: Simplify right side
    1,316,225.41x = 1,801,249,038,409.27
  5. Step 5: Solve for x
    x = 1,801,249,038,409.27/1,316,225.41
  6. Step 6: Final answer
    x = 1,368,495.87

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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.