Home / 1,495,597.20-2,243,395.80-430,746.90

Finding the Fourth Proportional to 1,495,597.20, 2,243,395.80 and 430,746.90

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Solution

The fourth proportional to 1,495,597.20, 2,243,395.80 and 430,746.90 is: 646,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,597.20 : 2,243,395.80 = 430,746.90 : x
  2. Step 2: Convert to fraction form
    1,495,597.20/2,243,395.80 = 430,746.90/x
  3. Step 3: Cross multiply
    1,495,597.20x = 2,243,395.80 × 430,746.90
  4. Step 4: Simplify right side
    1,495,597.20x = 966,335,786,323.02
  5. Step 5: Solve for x
    x = 966,335,786,323.02/1,495,597.20
  6. Step 6: Final answer
    x = 646,120.35

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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.