Home / 768,051.60-1,152,077.40-736,947.60

Finding the Fourth Proportional to 768,051.60, 1,152,077.40 and 736,947.60

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Solution

The fourth proportional to 768,051.60, 1,152,077.40 and 736,947.60 is: 1,105,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,051.60 : 1,152,077.40 = 736,947.60 : x
  2. Step 2: Convert to fraction form
    768,051.60/1,152,077.40 = 736,947.60/x
  3. Step 3: Cross multiply
    768,051.60x = 1,152,077.40 × 736,947.60
  4. Step 4: Simplify right side
    768,051.60x = 849,020,674,944.24
  5. Step 5: Solve for x
    x = 849,020,674,944.24/768,051.60
  6. Step 6: Final answer
    x = 1,105,421.40

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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.