Home / 1,045,211.60-1,565,484.60-807,784.40

Finding the Fourth Proportional to 1,045,211.60, 1,565,484.60 and 807,784.40

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Solution

The fourth proportional to 1,045,211.60, 1,565,484.60 and 807,784.40 is: 1,209,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,211.60 : 1,565,484.60 = 807,784.40 : x
  2. Step 2: Convert to fraction form
    1,045,211.60/1,565,484.60 = 807,784.40/x
  3. Step 3: Cross multiply
    1,045,211.60x = 1,565,484.60 × 807,784.40
  4. Step 4: Simplify right side
    1,045,211.60x = 1,264,574,038,320.24
  5. Step 5: Solve for x
    x = 1,264,574,038,320.24/1,045,211.60
  6. Step 6: Final answer
    x = 1,209,873.71

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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.