Home / 1,298,985.60-1,948,248.72-352,430.10

Finding the Fourth Proportional to 1,298,985.60, 1,948,248.72 and 352,430.10

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Solution

The fourth proportional to 1,298,985.60, 1,948,248.72 and 352,430.10 is: 528,582.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,985.60 : 1,948,248.72 = 352,430.10 : x
  2. Step 2: Convert to fraction form
    1,298,985.60/1,948,248.72 = 352,430.10/x
  3. Step 3: Cross multiply
    1,298,985.60x = 1,948,248.72 × 352,430.10
  4. Step 4: Simplify right side
    1,298,985.60x = 686,621,491,214.47
  5. Step 5: Solve for x
    x = 686,621,491,214.47/1,298,985.60
  6. Step 6: Final answer
    x = 528,582.84

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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.