Home / 1,186,543.40-1,779,642.30-345,007.40

Finding the Fourth Proportional to 1,186,543.40, 1,779,642.30 and 345,007.40

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Solution

The fourth proportional to 1,186,543.40, 1,779,642.30 and 345,007.40 is: 517,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,543.40 : 1,779,642.30 = 345,007.40 : x
  2. Step 2: Convert to fraction form
    1,186,543.40/1,779,642.30 = 345,007.40/x
  3. Step 3: Cross multiply
    1,186,543.40x = 1,779,642.30 × 345,007.40
  4. Step 4: Simplify right side
    1,186,543.40x = 613,989,762,853.02
  5. Step 5: Solve for x
    x = 613,989,762,853.02/1,186,543.40
  6. Step 6: Final answer
    x = 517,460.86

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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.