Home / 1,347,510.18-2,021,000.40-400,670.40

Finding the Fourth Proportional to 1,347,510.18, 2,021,000.40 and 400,670.40

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Solution

The fourth proportional to 1,347,510.18, 2,021,000.40 and 400,670.40 is: 600,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,510.18 : 2,021,000.40 = 400,670.40 : x
  2. Step 2: Convert to fraction form
    1,347,510.18/2,021,000.40 = 400,670.40/x
  3. Step 3: Cross multiply
    1,347,510.18x = 2,021,000.40 × 400,670.40
  4. Step 4: Simplify right side
    1,347,510.18x = 809,755,038,668.16
  5. Step 5: Solve for x
    x = 809,755,038,668.16/1,347,510.18
  6. Step 6: Final answer
    x = 600,926.84

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1.5x scale

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.