Home / 1,250,140.90-1,875,534.93-385,556.75

Finding the Fourth Proportional to 1,250,140.90, 1,875,534.93 and 385,556.75

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Solution

The fourth proportional to 1,250,140.90, 1,875,534.93 and 385,556.75 is: 578,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,140.90 : 1,875,534.93 = 385,556.75 : x
  2. Step 2: Convert to fraction form
    1,250,140.90/1,875,534.93 = 385,556.75/x
  3. Step 3: Cross multiply
    1,250,140.90x = 1,875,534.93 × 385,556.75
  4. Step 4: Simplify right side
    1,250,140.90x = 723,125,152,122.28
  5. Step 5: Solve for x
    x = 723,125,152,122.28/1,250,140.90
  6. Step 6: Final answer
    x = 578,434.92

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1.5x scale

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.