Home / 1,710,429.40-2,565,316.05-512,390.80

Finding the Fourth Proportional to 1,710,429.40, 2,565,316.05 and 512,390.80

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Solution

The fourth proportional to 1,710,429.40, 2,565,316.05 and 512,390.80 is: 768,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,429.40 : 2,565,316.05 = 512,390.80 : x
  2. Step 2: Convert to fraction form
    1,710,429.40/2,565,316.05 = 512,390.80/x
  3. Step 3: Cross multiply
    1,710,429.40x = 2,565,316.05 × 512,390.80
  4. Step 4: Simplify right side
    1,710,429.40x = 1,314,444,343,112.34
  5. Step 5: Solve for x
    x = 1,314,444,343,112.34/1,710,429.40
  6. Step 6: Final answer
    x = 768,487.93

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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.