Home / 1,142,862.90-1,714,534.11-432,875.22

Finding the Fourth Proportional to 1,142,862.90, 1,714,534.11 and 432,875.22

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Solution

The fourth proportional to 1,142,862.90, 1,714,534.11 and 432,875.22 is: 649,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,862.90 : 1,714,534.11 = 432,875.22 : x
  2. Step 2: Convert to fraction form
    1,142,862.90/1,714,534.11 = 432,875.22/x
  3. Step 3: Cross multiply
    1,142,862.90x = 1,714,534.11 × 432,875.22
  4. Step 4: Simplify right side
    1,142,862.90x = 742,179,330,063.75
  5. Step 5: Solve for x
    x = 742,179,330,063.75/1,142,862.90
  6. Step 6: Final answer
    x = 649,403.64

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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.