Home / 1,157,031.80-1,735,547.70-1,053,812.60

Finding the Fourth Proportional to 1,157,031.80, 1,735,547.70 and 1,053,812.60

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Solution

The fourth proportional to 1,157,031.80, 1,735,547.70 and 1,053,812.60 is: 1,580,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,031.80 : 1,735,547.70 = 1,053,812.60 : x
  2. Step 2: Convert to fraction form
    1,157,031.80/1,735,547.70 = 1,053,812.60/x
  3. Step 3: Cross multiply
    1,157,031.80x = 1,735,547.70 × 1,053,812.60
  4. Step 4: Simplify right side
    1,157,031.80x = 1,828,942,034,161.02
  5. Step 5: Solve for x
    x = 1,828,942,034,161.02/1,157,031.80
  6. Step 6: Final answer
    x = 1,580,718.90

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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.