Home / 1,570,386.89-2,167,153.38-882,209.07

Finding the Fourth Proportional to 1,570,386.89, 2,167,153.38 and 882,209.07

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Solution

The fourth proportional to 1,570,386.89, 2,167,153.38 and 882,209.07 is: 1,217,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,386.89 : 2,167,153.38 = 882,209.07 : x
  2. Step 2: Convert to fraction form
    1,570,386.89/2,167,153.38 = 882,209.07/x
  3. Step 3: Cross multiply
    1,570,386.89x = 2,167,153.38 × 882,209.07
  4. Step 4: Simplify right side
    1,570,386.89x = 1,911,882,363,506.11
  5. Step 5: Solve for x
    x = 1,911,882,363,506.11/1,570,386.89
  6. Step 6: Final answer
    x = 1,217,459.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.