Home / 1,686,522.40-2,529,960.76-549,373.20

Finding the Fourth Proportional to 1,686,522.40, 2,529,960.76 and 549,373.20

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Solution

The fourth proportional to 1,686,522.40, 2,529,960.76 and 549,373.20 is: 824,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,522.40 : 2,529,960.76 = 549,373.20 : x
  2. Step 2: Convert to fraction form
    1,686,522.40/2,529,960.76 = 549,373.20/x
  3. Step 3: Cross multiply
    1,686,522.40x = 2,529,960.76 × 549,373.20
  4. Step 4: Simplify right side
    1,686,522.40x = 1,389,892,638,595.63
  5. Step 5: Solve for x
    x = 1,389,892,638,595.63/1,686,522.40
  6. Step 6: Final answer
    x = 824,117.51

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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.