Home / 1,487,246.40-2,230,869.60-365,315.40

Finding the Fourth Proportional to 1,487,246.40, 2,230,869.60 and 365,315.40

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Solution

The fourth proportional to 1,487,246.40, 2,230,869.60 and 365,315.40 is: 547,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,246.40 : 2,230,869.60 = 365,315.40 : x
  2. Step 2: Convert to fraction form
    1,487,246.40/2,230,869.60 = 365,315.40/x
  3. Step 3: Cross multiply
    1,487,246.40x = 2,230,869.60 × 365,315.40
  4. Step 4: Simplify right side
    1,487,246.40x = 814,971,020,271.84
  5. Step 5: Solve for x
    x = 814,971,020,271.84/1,487,246.40
  6. Step 6: Final answer
    x = 547,973.10

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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.