Home / 1,186,543.60-1,779,426.60-438,492.40

Finding the Fourth Proportional to 1,186,543.60, 1,779,426.60 and 438,492.40

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Solution

The fourth proportional to 1,186,543.60, 1,779,426.60 and 438,492.40 is: 657,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,543.60 : 1,779,426.60 = 438,492.40 : x
  2. Step 2: Convert to fraction form
    1,186,543.60/1,779,426.60 = 438,492.40/x
  3. Step 3: Cross multiply
    1,186,543.60x = 1,779,426.60 × 438,492.40
  4. Step 4: Simplify right side
    1,186,543.60x = 780,265,040,457.84
  5. Step 5: Solve for x
    x = 780,265,040,457.84/1,186,543.60
  6. Step 6: Final answer
    x = 657,594.92

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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.