Home / 1,342,455.40-2,013,683.10-455,991.40

Finding the Fourth Proportional to 1,342,455.40, 2,013,683.10 and 455,991.40

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Solution

The fourth proportional to 1,342,455.40, 2,013,683.10 and 455,991.40 is: 683,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,455.40 : 2,013,683.10 = 455,991.40 : x
  2. Step 2: Convert to fraction form
    1,342,455.40/2,013,683.10 = 455,991.40/x
  3. Step 3: Cross multiply
    1,342,455.40x = 2,013,683.10 × 455,991.40
  4. Step 4: Simplify right side
    1,342,455.40x = 918,222,175,925.34
  5. Step 5: Solve for x
    x = 918,222,175,925.34/1,342,455.40
  6. Step 6: Final answer
    x = 683,987.10

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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.