Home / 971,311.40-1,457,312.70-936,751.40

Finding the Fourth Proportional to 971,311.40, 1,457,312.70 and 936,751.40

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Solution

The fourth proportional to 971,311.40, 1,457,312.70 and 936,751.40 is: 1,405,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,311.40 : 1,457,312.70 = 936,751.40 : x
  2. Step 2: Convert to fraction form
    971,311.40/1,457,312.70 = 936,751.40/x
  3. Step 3: Cross multiply
    971,311.40x = 1,457,312.70 × 936,751.40
  4. Step 4: Simplify right side
    971,311.40x = 1,365,139,711,962.78
  5. Step 5: Solve for x
    x = 1,365,139,711,962.78/971,311.40
  6. Step 6: Final answer
    x = 1,405,460.40

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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.