Home / 1,130,308.16-1,559,820.66-646,871

Finding the Fourth Proportional to 1,130,308.16, 1,559,820.66 and 646,871

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Solution

The fourth proportional to 1,130,308.16, 1,559,820.66 and 646,871 is: 892,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,308.16 : 1,559,820.66 = 646,871 : x
  2. Step 2: Convert to fraction form
    1,130,308.16/1,559,820.66 = 646,871/x
  3. Step 3: Cross multiply
    1,130,308.16x = 1,559,820.66 × 646,871
  4. Step 4: Simplify right side
    1,130,308.16x = 1,009,002,750,154.86
  5. Step 5: Solve for x
    x = 1,009,002,750,154.86/1,130,308.16
  6. Step 6: Final answer
    x = 892,679.35

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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.